20103625431630 has 64 divisors (see below), whose sum is σ = 57733488429120. Its totient is φ = 4948584720768.

The previous prime is 20103625431587. The next prime is 20103625431749. The reversal of 20103625431630 is 3613452630102.

20103625431630 is a `hidden beast` number, since 2 + 0 + 10 + 3 + 6 + 2 + 5 + 4 + 3 + 1 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2863760797 + ... + 2863767816.

It is an arithmetic number, because the mean of its divisors is an integer number (902085756705).

Almost surely, 2^{20103625431630} is an apocalyptic number.

20103625431630 is an abundant number, since it is smaller than the sum of its proper divisors (37629862997490).

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

20103625431630 is a wasteful number, since it uses less digits than its factorization.

20103625431630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727528642 (or 5727528636 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 20103625431630 in words is "twenty trillion, one hundred three billion, six hundred twenty-five million, four hundred thirty-one thousand, six hundred thirty".