204039076720 has 40 divisors (see below), whose sum is σ = 475642614960. Its totient is φ = 81400273920.

The previous prime is 204039076673. The next prime is 204039076739. The reversal of 204039076720 is 27670930402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 3334441 + ... + 3395080.

It is an arithmetic number, because the mean of its divisors is an integer number (11891065374).

Almost surely, 2^204039076720 is an apocalyptic number.

204039076720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204039076720 is an abundant number, since it is smaller than the sum of its proper divisors (271603538240).

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

204039076720 is a wasteful number, since it uses less digits than its factorization.

204039076720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729913 (or 6729907 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 204039076720 in words is "two hundred four billion, thirty-nine million, seventy-six thousand, seven hundred twenty".