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20220209975 = 5277910713669
BaseRepresentation
bin10010110101001101…
…111110101100110111
31221012011220002112202
4102311031332230313
5312402333204400
613142233135115
71314034643330
oct226515765467
957164802482
1020220209975
118636866039
123b0385a49b
131ba31b9ab4
14d9b649287
157d52684d5
hex4b537eb37

20220209975 has 48 divisors (see below), whose sum is σ = 29290982400. Its totient is φ = 13560842880.

The previous prime is 20220209959. The next prime is 20220209987. The reversal of 20220209975 is 57990202202.

It is not a de Polignac number, because 20220209975 - 24 = 20220209959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1472441 + ... + 1486109.

It is an arithmetic number, because the mean of its divisors is an integer number (610228800).

Almost surely, 220220209975 is an apocalyptic number.

20220209975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20220209975 is a deficient number, since it is larger than the sum of its proper divisors (9070772425).

20220209975 is a wasteful number, since it uses less digits than its factorization.

20220209975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872 (or 13867 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 20220209975 in words is "twenty billion, two hundred twenty million, two hundred nine thousand, nine hundred seventy-five".

Divisors: 1 5 7 25 35 79 107 175 395 535 553 749 1975 2675 2765 3745 8453 13669 13825 18725 42265 59171 68345 95683 211325 295855 341725 478415 1079851 1462583 1479275 2392075 5399255 7312915 7558957 10238081 26996275 36564575 37794785 51190405 115544057 188973925 255952025 577720285 808808399 2888601425 4044041995 20220209975