20504232552 has 32 divisors (see below), whose sum is σ = 51475075200. Its totient is φ = 6806145024.

The previous prime is 20504232521. The next prime is 20504232563. The reversal of 20504232552 is 25523240502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781593 + ... + 1793064.

It is an arithmetic number, because the mean of its divisors is an integer number (1608596100).

Almost surely, 2^20504232552 is an apocalyptic number.

It is an amenable number.

20504232552 is an abundant number, since it is smaller than the sum of its proper divisors (30970842648).

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

20504232552 is a wasteful number, since it uses less digits than its factorization.

20504232552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574905 (or 3574901 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 20504232552 in words is "twenty billion, five hundred four million, two hundred thirty-two thousand, five hundred fifty-two".