204505230 has 16 divisors (see below), whose sum is σ = 490812624. Its totient is φ = 54534720.

The previous prime is 204505219. The next prime is 204505247. The reversal of 204505230 is 32505402.

It is a junction number, because it is equal to n+sod(n) for n = 204505197 and 204505206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3408391 + ... + 3408450.

It is an arithmetic number, because the mean of its divisors is an integer number (30675789).

Almost surely, 2^204505230 is an apocalyptic number.

204505230 is an abundant number, since it is smaller than the sum of its proper divisors (286307394).

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

204505230 is a wasteful number, since it uses less digits than its factorization.

204505230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816851.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 204505230 is about 14300.5325075677. The cubic root of 204505230 is about 589.1621066098.

The spelling of 204505230 in words is "two hundred four million, five hundred five thousand, two hundred thirty".