204080804 has 6 divisors (see below), whose sum is σ = 357141414. Its totient is φ = 102040400.

The previous prime is 204080803. The next prime is 204080813. The reversal of 204080804 is 408080402.

It can be written as a sum of positive squares in only one way, i.e., 104080804 + 100000000 = 10202^2 + 10000^2 .

It is a super-2 number, since 2×204080804² = 83297949122572832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204080803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25510097 + ... + 25510104.

It is an arithmetic number, because the mean of its divisors is an integer number (59523569).

Almost surely, 2^204080804 is an apocalyptic number.

It is an amenable number.

204080804 is a deficient number, since it is larger than the sum of its proper divisors (153060610).

204080804 is a wasteful number, since it uses less digits than its factorization.

204080804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51020205 (or 51020203 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 204080804 is about 14285.6852828277. The cubic root of 204080804 is about 588.7542459684.

The spelling of 204080804 in words is "two hundred four million, eighty thousand, eight hundred four".