18382000020 has 48 divisors (see below), whose sum is σ = 51496579008. Its totient is φ = 4899297280.

The previous prime is 18382000009. The next prime is 18382000027. The reversal of 18382000020 is 2000028381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18382000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36532 + ... + 195188.

It is an arithmetic number, because the mean of its divisors is an integer number (1072845396).

Almost surely, 2^18382000020 is an apocalyptic number.

18382000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18382000020 is an abundant number, since it is smaller than the sum of its proper divisors (33114578988).

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

18382000020 is a wasteful number, since it uses less digits than its factorization.

18382000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160600 (or 160598 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 18382000020 in words is "eighteen billion, three hundred eighty-two million, twenty", and thus it is an aban number.