204959930 has 64 divisors (see below), whose sum is σ = 435283200. Its totient is φ = 68027904.

The previous prime is 204959927. The next prime is 204959959. The reversal of 204959930 is 39959402.

204959930 = T₉₀₅₂ + T₉₀₅₃ + ... + T₉₀₅₆.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448262 + ... + 448718.

It is an arithmetic number, because the mean of its divisors is an integer number (6801300).

Almost surely, 2^204959930 is an apocalyptic number.

204959930 is an abundant number, since it is smaller than the sum of its proper divisors (230323270).

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

204959930 is a wasteful number, since it uses less digits than its factorization.

204959930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 204959930 is about 14316.4216897939. The cubic root of 204959930 is about 589.5984340161.

The spelling of 204959930 in words is "two hundred four million, nine hundred fifty-nine thousand, nine hundred thirty".