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20033520452 = 2211479687389
BaseRepresentation
bin10010101010000101…
…110100001101000100
31220201011121021122222
4102222011310031010
5312012040123302
613111523511512
71306310054111
oct225205641504
956634537588
1020033520452
118550444480
123a71228598
131b7361311a
14d8092d908
157c3b8cda2
hex4aa174344

20033520452 has 24 divisors (see below), whose sum is σ = 39059556480. Its totient is φ = 8912396960.

The previous prime is 20033520433. The next prime is 20033520457. The reversal of 20033520452 is 25402533002.

It is not an unprimeable number, because it can be changed into a prime (20033520457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841627 + ... + 4845762.

It is an arithmetic number, because the mean of its divisors is an integer number (1627481520).

Almost surely, 220033520452 is an apocalyptic number.

20033520452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20033520452 is a deficient number, since it is larger than the sum of its proper divisors (19026036028).

20033520452 is a wasteful number, since it uses less digits than its factorization.

20033520452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687451 (or 9687449 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20033520452 in words is "twenty billion, thirty-three million, five hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 9687389 19374778 38749556 106561279 213122558 426245116 455307283 910614566 1821229132 5008380113 10016760226 20033520452