20838037570136 has 16 divisors (see below), whose sum is σ = 39108495836040. Its totient is φ = 10409105347200.

The previous prime is 20838037570127. The next prime is 20838037570157. The reversal of 20838037570136 is 63107573083802.

It is a happy number.

It is a super-2 number, since 2×20838037570136² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 1239170801 + ... + 1239187616.

Almost surely, 2^{20838037570136} is an apocalyptic number.

It is an amenable number.

20838037570136 is a deficient number, since it is larger than the sum of its proper divisors (18270458265904).

20838037570136 is a wasteful number, since it uses less digits than its factorization.

20838037570136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478359474 (or 2478359470 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 20838037570136 in words is "twenty trillion, eight hundred thirty-eight billion, thirty-seven million, five hundred seventy thousand, one hundred thirty-six".