20051425204 has 24 divisors (see below), whose sum is σ = 35164228680. Its totient is φ = 10004527104.

The previous prime is 20051425187. The next prime is 20051425237. The reversal of 20051425204 is 40252415002.

It can be written as a sum of positive squares in 4 ways, for example, as 20684304 + 20030740900 = 4548^2 + 141530^2 .

It is a congruent number.

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, 5839072 + ... + 5842504.

It is an arithmetic number, because the mean of its divisors is an integer number (1465176195).

Almost surely, 2^20051425204 is an apocalyptic number.

It is an amenable number.

20051425204 is a deficient number, since it is larger than the sum of its proper divisors (15112803476).

20051425204 is a wasteful number, since it uses less digits than its factorization.

20051425204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 6097 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 20051425204 in words is "twenty billion, fifty-one million, four hundred twenty-five thousand, two hundred four".