18336760820020 has 24 divisors (see below), whose sum is σ = 39402713949984. Its totient is φ = 7164129808416.

The previous prime is 18336760820017. The next prime is 18336760820033. The reversal of 18336760820020 is 2002806763381.

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, 10660906594 + ... + 10660908313.

It is an arithmetic number, because the mean of its divisors is an integer number (1641779747916).

Almost surely, 2^{18336760820020} is an apocalyptic number.

18336760820020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18336760820020 is an abundant number, since it is smaller than the sum of its proper divisors (21065953129964).

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

18336760820020 is a wasteful number, since it uses less digits than its factorization.

18336760820020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321814959 (or 21321814957 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 18336760820020 in words is "eighteen trillion, three hundred thirty-six billion, seven hundred sixty million, eight hundred twenty thousand, twenty".