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20000022000220 = 2251079839507431
BaseRepresentation
bin1001000110000100111100…
…01101001111001001011100
32121210222112220212020021201
410203002132031033021130
510110140021113001340
6110311514441405244
74132645122021313
oct443023615171134
977728486766251
1020000022000220
116410a64024139
1222b017aa99824
13b20cbca17712
144d201314727a
1524a3a6c7e79a
hex12309e34f25c

20000022000220 has 48 divisors (see below), whose sum is σ = 42435700167168. Its totient is φ = 7917179228480.

The previous prime is 20000022000187. The next prime is 20000022000223. The reversal of 20000022000220 is 2200022000002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20000022000197 and 20000022000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000022000223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650096 + ... + 6857335.

It is an arithmetic number, because the mean of its divisors is an integer number (884077086816).

Almost surely, 220000022000220 is an apocalyptic number.

20000022000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000022000220 is an abundant number, since it is smaller than the sum of its proper divisors (22435678166948).

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

20000022000220 is a wasteful number, since it uses less digits than its factorization.

20000022000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9508530 (or 9508528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 20000022000220 its reverse (2200022000002), we get a palindrome (22200044000222).

The spelling of 20000022000220 in words is "twenty trillion, twenty-two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 107 214 428 535 983 1070 1966 2140 3932 4915 9830 19660 105181 210362 420724 525905 1051810 2103620 9507431 19014862 38029724 47537155 95074310 190148620 1017295117 2034590234 4069180468 5086475585 9345804673 10172951170 18691609346 20345902340 37383218692 46729023365 93458046730 186916093460 1000001100011 2000002200022 4000004400044 5000005500055 10000011000110 20000022000220