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20000737868 = 2231691577843
BaseRepresentation
bin10010101000001000…
…110000101001001100
31220121212220202102012
4102220020300221030
5311430142102433
613104353120352
71305431316056
oct225010605114
956555822365
1020000737868
118533993431
123a622590b8
131b698a5747
14d7a4388d6
157c0d64848
hex4a8230a4c

20000737868 has 12 divisors (see below), whose sum is σ = 35012358360. Its totient is φ = 9997206912.

The previous prime is 20000737829. The next prime is 20000737907. The reversal of 20000737868 is 86873700002.

It is an interprime number because it is at equal distance from previous prime (20000737829) and next prime (20000737907).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776246 + ... + 801597.

It is an arithmetic number, because the mean of its divisors is an integer number (2917696530).

Almost surely, 220000737868 is an apocalyptic number.

It is an amenable number.

20000737868 is a deficient number, since it is larger than the sum of its proper divisors (15011620492).

20000737868 is a wasteful number, since it uses less digits than its factorization.

20000737868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581016 (or 1581014 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 20000737868 in words is "twenty billion, seven hundred thirty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 3169 6338 12676 1577843 3155686 6311372 5000184467 10000368934 20000737868