18502002037020 has 48 divisors (see below), whose sum is σ = 53010387239040. Its totient is φ = 4819126111296.

The previous prime is 18502002036961. The next prime is 18502002037031. The reversal of 18502002037020 is 2073020020581.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585656730 + ... + 3585661889.

It is an arithmetic number, because the mean of its divisors is an integer number (1104383067480).

Almost surely, 2^{18502002037020} is an apocalyptic number.

18502002037020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18502002037020 is an abundant number, since it is smaller than the sum of its proper divisors (34508385202020).

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

18502002037020 is a wasteful number, since it uses less digits than its factorization.

18502002037020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171318674 (or 7171318672 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 18502002037020 in words is "eighteen trillion, five hundred two billion, two million, thirty-seven thousand, twenty".