204080 has 20 divisors (see below), whose sum is σ = 474672. Its totient is φ = 81600.

The previous prime is 204067. The next prime is 204101. The reversal of 204080 is 80402.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196 + ... + 1355.

2²⁰⁴⁰⁸⁰ is an apocalyptic number.

204080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204080 is an abundant number, since it is smaller than the sum of its proper divisors (270592).

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

204080 is a wasteful number, since it uses less digits than its factorization.

204080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 204080 is about 451.7521444332. The cubic root of 204080 is about 58.8753472812.

Adding to 204080 its reverse (80402), we get a palindrome (284482).

The spelling of 204080 in words is "two hundred four thousand, eighty".