204455080 has 16 divisors (see below), whose sum is σ = 460024020. Its totient is φ = 81782016.

The previous prime is 204455051. The next prime is 204455087. The reversal of 204455080 is 80554402.

It can be written as a sum of positive squares in 2 ways, for example, as 181010116 + 23444964 = 13454^2 + 4842^2 .

It is not an unprimeable number, because it can be changed into a prime (204455087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555649 + ... + 2555728.

Almost surely, 2^204455080 is an apocalyptic number.

204455080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204455080 is an abundant number, since it is smaller than the sum of its proper divisors (255568940).

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

204455080 is a wasteful number, since it uses less digits than its factorization.

204455080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111388 (or 5111384 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 204455080 is about 14298.7789688491. The cubic root of 204455080 is about 589.1139433833.

The spelling of 204455080 in words is "two hundred four million, four hundred fifty-five thousand, eighty".