20044502631 has 12 divisors (see below), whose sum is σ = 28957339008. Its totient is φ = 13361077824.

The previous prime is 20044502623. The next prime is 20044502633. The reversal of 20044502631 is 13620544002.

20044502631 is a `hidden beast` number, since 20 + 0 + 4 + 4 + 5 + 0 + 2 + 631 = 666.

It is not a de Polignac number, because 20044502631 - 2³ = 20044502623 is a prime.

It is a super-2 number, since 2×20044502631² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20044502595 and 20044502604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044502633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92850 + ... + 220703.

It is an arithmetic number, because the mean of its divisors is an integer number (2413111584).

Almost surely, 2^20044502631 is an apocalyptic number.

20044502631 is a deficient number, since it is larger than the sum of its proper divisors (8912836377).

20044502631 is a wasteful number, since it uses less digits than its factorization.

20044502631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320662 (or 320659 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 20044502631 in words is "twenty billion, forty-four million, five hundred two thousand, six hundred thirty-one".