18377060020 has 72 divisors (see below), whose sum is σ = 42442475040. Its totient is φ = 6628668480.

The previous prime is 18377060017. The next prime is 18377060021. The reversal of 18377060020 is 2006077381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18377060021) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3545791 + ... + 3550969.

It is an arithmetic number, because the mean of its divisors is an integer number (589478820).

Almost surely, 2^18377060020 is an apocalyptic number.

18377060020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18377060020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21221237520).

18377060020 is an abundant number, since it is smaller than the sum of its proper divisors (24065415020).

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

18377060020 is a wasteful number, since it uses less digits than its factorization.

18377060020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5453 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 18377060020 in words is "eighteen billion, three hundred seventy-seven million, sixty thousand, twenty".