20052542404 has 6 divisors (see below), whose sum is σ = 35091949214. Its totient is φ = 10026271200.

The previous prime is 20052542381. The next prime is 20052542437. The reversal of 20052542404 is 40424525002.

It can be written as a sum of positive squares in only one way, i.e., 18387902404 + 1664640000 = 135602^2 + 40800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506567797 + ... + 2506567804.

Almost surely, 2^20052542404 is an apocalyptic number.

It is an amenable number.

20052542404 is a deficient number, since it is larger than the sum of its proper divisors (15039406810).

20052542404 is a wasteful number, since it uses less digits than its factorization.

20052542404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013135605 (or 5013135603 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The spelling of 20052542404 in words is "twenty billion, fifty-two million, five hundred forty-two thousand, four hundred four".