20653083131 has 16 divisors (see below), whose sum is σ = 22205217888. Its totient is φ = 19139328000.

The previous prime is 20653083127. The next prime is 20653083161. The reversal of 20653083131 is 13138035602.

It is a cyclic number.

It is not a de Polignac number, because 20653083131 - 2² = 20653083127 is a prime.

It is a super-2 number, since 2×20653083131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20653083161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731996 + ... + 759686.

It is an arithmetic number, because the mean of its divisors is an integer number (1387826118).

Almost surely, 2^20653083131 is an apocalyptic number.

20653083131 is a deficient number, since it is larger than the sum of its proper divisors (1552134757).

20653083131 is a wasteful number, since it uses less digits than its factorization.

20653083131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28382.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 20653083131 in words is "twenty billion, six hundred fifty-three million, eighty-three thousand, one hundred thirty-one".