20507043524 has 48 divisors (see below), whose sum is σ = 40879472256. Its totient is φ = 8910105600.

The previous prime is 20507043517. The next prime is 20507043533. The reversal of 20507043524 is 42534070502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711394 + ... + 1723334.

It is an arithmetic number, because the mean of its divisors is an integer number (851655672).

Almost surely, 2^20507043524 is an apocalyptic number.

It is an amenable number.

20507043524 is a deficient number, since it is larger than the sum of its proper divisors (20372428732).

20507043524 is a wasteful number, since it uses less digits than its factorization.

20507043524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676 (or 13674 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The spelling of 20507043524 in words is "twenty billion, five hundred seven million, forty-three thousand, five hundred twenty-four".