204206080 has 156 divisors (see below), whose sum is σ = 539623080. Its totient is φ = 74121216.

The previous prime is 204206077. The next prime is 204206131. The reversal of 204206080 is 80602402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3461091 + ... + 3461149.

Almost surely, 2^204206080 is an apocalyptic number.

204206080 is a gapful number since it is divisible by the number (20) 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 204206080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269811540).

204206080 is an abundant number, since it is smaller than the sum of its proper divisors (335417000).

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

204206080 is an equidigital number, since it uses as much as digits as its factorization.

204206080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 204206080 is about 14290.0692790483. The cubic root of 204206080 is about 588.8746912179.

Adding to 204206080 its reverse (80602402), we get a palindrome (284808482).

The spelling of 204206080 in words is "two hundred four million, two hundred six thousand, eighty".