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20332112202 = 2323730528697
BaseRepresentation
bin10010111011111000…
…110110100101001010
31221110222110022112200
4102323320312211022
5313120010042302
613201311421030
71316564050023
oct227370664512
957428408480
1020332112202
118693a46916
123b35224776
131bc0439c2c
14dac457c4a
157deebe81c
hex4bbe3694a

20332112202 has 24 divisors (see below), whose sum is σ = 45243530436. Its totient is φ = 6594198336.

The previous prime is 20332112191. The next prime is 20332112209. The reversal of 20332112202 is 20221123302.

20332112202 is a `hidden beast` number, since 20 + 332 + 112 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19279044801 + 1053067401 = 138849^2 + 32451^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20332112209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15263683 + ... + 15265014.

Almost surely, 220332112202 is an apocalyptic number.

20332112202 is an abundant number, since it is smaller than the sum of its proper divisors (24911418234).

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

20332112202 is a wasteful number, since it uses less digits than its factorization.

20332112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30528742 (or 30528739 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20332112202 its reverse (20221123302), we get a palindrome (40553235504).

The spelling of 20332112202 in words is "twenty billion, three hundred thirty-two million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 30528697 61057394 91586091 183172182 274758273 549516546 1129561789 2259123578 3388685367 6777370734 10166056101 20332112202