18750720204 has 72 divisors (see below), whose sum is σ = 47881273440. Its totient is φ = 6186585600.

The previous prime is 18750720193. The next prime is 18750720259. The reversal of 18750720204 is 40202705781.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5338809 + ... + 5342319.

Almost surely, 2^18750720204 is an apocalyptic number.

It is an amenable number.

18750720204 is an abundant number, since it is smaller than the sum of its proper divisors (29130553236).

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

18750720204 is a wasteful number, since it uses less digits than its factorization.

18750720204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991 (or 4986 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 18750720204 in words is "eighteen billion, seven hundred fifty million, seven hundred twenty thousand, two hundred four".