20456025204 has 48 divisors (see below), whose sum is σ = 49343595840. Its totient is φ = 6591317760.

The previous prime is 20456025199. The next prime is 20456025221. The reversal of 20456025204 is 40252065402.

It is a happy number.

It is a congruent number.

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, 137094 + ... + 244349.

It is an arithmetic number, because the mean of its divisors is an integer number (1027991580).

Almost surely, 2^20456025204 is an apocalyptic number.

It is an amenable number.

20456025204 is an abundant number, since it is smaller than the sum of its proper divisors (28887570636).

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

20456025204 is a wasteful number, since it uses less digits than its factorization.

20456025204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381600 (or 381598 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 20456025204 in words is "twenty billion, four hundred fifty-six million, twenty-five thousand, two hundred four".