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20122333112 = 2372571398161
BaseRepresentation
bin10010101111011000…
…100110111110111000
31220221100201102201202
4102233120212332320
5312202304124422
613124415233332
71311436003130
oct225730467670
956840642652
1020122333112
118596594772
123a96b18848
131b88b3a7ab
14d8c64bac0
157cb882b92
hex4af626fb8

20122333112 has 32 divisors (see below), whose sum is σ = 43287095520. Its totient is φ = 8590295040.

The previous prime is 20122333111. The next prime is 20122333123. The reversal of 20122333112 is 21133322102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122333111) 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, 684689 + ... + 713472.

It is an arithmetic number, because the mean of its divisors is an integer number (1352721735).

Almost surely, 220122333112 is an apocalyptic number.

It is an amenable number.

20122333112 is an abundant number, since it is smaller than the sum of its proper divisors (23164762408).

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

20122333112 is a wasteful number, since it uses less digits than its factorization.

20122333112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398431 (or 1398427 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20122333112 its reverse (21133322102), we get a palindrome (41255655214).

The spelling of 20122333112 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 257 514 1028 1799 2056 3598 7196 14392 1398161 2796322 5592644 9787127 11185288 19574254 39148508 78297016 359327377 718654754 1437309508 2515291639 2874619016 5030583278 10061166556 20122333112