204324204 has 96 divisors (see below), whose sum is σ = 557383680. Its totient is φ = 57056832.

The previous prime is 204324191. The next prime is 204324221. The reversal of 204324204 is 402423402.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1141387 + ... + 1141565.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^204324204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204324204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278691840).

204324204 is an abundant number, since it is smaller than the sum of its proper divisors (353059476).

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

204324204 is a wasteful number, since it uses less digits than its factorization.

204324204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204324204 is about 14294.2017615535. The cubic root of 204324204 is about 588.9882151408.

Adding to 204324204 its reverse (402423402), we get a palindrome (606747606).

The spelling of 204324204 in words is "two hundred four million, three hundred twenty-four thousand, two hundred four".