204423330 has 32 divisors (see below), whose sum is σ = 491235264. Its totient is φ = 54444096.

The previous prime is 204423319. The next prime is 204423361. The reversal of 204423330 is 33324402.

204423330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204423297 and 204423306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22632 + ... + 30348.

It is an arithmetic number, because the mean of its divisors is an integer number (15351102).

Almost surely, 2^204423330 is an apocalyptic number.

204423330 is an abundant number, since it is smaller than the sum of its proper divisors (286811934).

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

204423330 is a wasteful number, since it uses less digits than its factorization.

204423330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610.

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

The square root of 204423330 is about 14297.6686910839. The cubic root of 204423330 is about 589.0834471393.

Adding to 204423330 its reverse (33324402), we get a palindrome (237747732).

The spelling of 204423330 in words is "two hundred four million, four hundred twenty-three thousand, three hundred thirty".