204324330 has 64 divisors (see below), whose sum is σ = 562671360. Its totient is φ = 46516224.

The previous prime is 204324287. The next prime is 204324359. The reversal of 204324330 is 33423402.

204324330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 204324297 and 204324306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54682 + ... + 58298.

It is an arithmetic number, because the mean of its divisors is an integer number (8791740).

Almost surely, 2^204324330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204324330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281335680).

204324330 is an abundant number, since it is smaller than the sum of its proper divisors (358347030).

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

204324330 is a wasteful number, since it uses less digits than its factorization.

204324330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 204324330 is about 14294.2061689343. The cubic root of 204324330 is about 588.9883362107.

Adding to 204324330 its reverse (33423402), we get a palindrome (237747732).

The spelling of 204324330 in words is "two hundred four million, three hundred twenty-four thousand, three hundred thirty".