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220202001201210 = 235719440912517231
BaseRepresentation
bin110010000100010111000110…
…000011110111100000111010
31001212200002212001222210200220
4302010113012003313200322
5212330242144301414320
62100155223002240510
764245032603250330
oct6204270603674072
91055602761883626
10220202001201210
1164188165029686
12208447587b6136
1395b3c62369ac2
143c53b95a51b50
151a6ce5cde7e40
hexc845c60f783a

220202001201210 has 128 divisors (see below), whose sum is σ = 635915440742400. Its totient is φ = 47672020661760.

The previous prime is 220202001201209. The next prime is 220202001201251. The reversal of 220202001201210 is 12102100202022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220202001201210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11333295 + ... + 23850525.

It is an arithmetic number, because the mean of its divisors is an integer number (4968089380800).

Almost surely, 2220202001201210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220202001201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317957720371200).

220202001201210 is an abundant number, since it is smaller than the sum of its proper divisors (415713439541190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220202001201210 is a wasteful number, since it uses less digits than its factorization.

220202001201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12521676.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220202001201210 its reverse (12102100202022), we get a palindrome (232304101403232).

The spelling of 220202001201210 in words is "two hundred twenty trillion, two hundred two billion, one million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 133 190 210 266 285 399 570 665 798 1330 1995 3990 4409 8818 13227 22045 26454 30863 44090 61726 66135 83771 92589 132270 154315 167542 185178 251313 308630 418855 462945 502626 586397 837710 925890 1172794 1256565 1759191 2513130 2931985 3518382 5863970 8795955 12517231 17591910 25034462 37551693 62586155 75103386 87620617 125172310 175241234 187758465 237827389 262861851 375516930 438103085 475654778 525723702 713482167 876206170 1189136945 1314309255 1426964334 1664791723 2378273890 2628618510 3329583446 3567410835 4994375169 7134821670 8323958615 9988750338 16647917230 24971875845 49943751690 55188471479 110376942958 165565414437 275942357395 331130828874 386319300353 551884714790 772638600706 827827072185 1048580958101 1158957901059 1655654144370 1931596501765 2097161916202 2317915802118 3145742874303 3863193003530 5242904790505 5794789505295 6291485748606 7340066706707 10485809581010 11589579010590 14680133413414 15728714371515 22020200120121 31457428743030 36700333533535 44040400240242 73400667067070 110101000600605 220202001201210