18805620300 has 72 divisors (see below), whose sum is σ = 55223090496. Its totient is φ = 4939978560.

The previous prime is 18805620299. The next prime is 18805620311. The reversal of 18805620300 is 302650881.

It is a happy number.

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, 447702 + ... + 487901.

It is an arithmetic number, because the mean of its divisors is an integer number (766987368).

Almost surely, 2^18805620300 is an apocalyptic number.

18805620300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18805620300 is an abundant number, since it is smaller than the sum of its proper divisors (36417470196).

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

18805620300 is a wasteful number, since it uses less digits than its factorization.

18805620300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935687 (or 935680 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 18805620300 in words is "eighteen billion, eight hundred five million, six hundred twenty thousand, three hundred".