204605330 has 8 divisors (see below), whose sum is σ = 368289612. Its totient is φ = 81842128.

The previous prime is 204605327. The next prime is 204605341. The reversal of 204605330 is 33506402.

It can be written as a sum of positive squares in 2 ways, for example, as 203262049 + 1343281 = 14257^2 + 1159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204605296 and 204605305.

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 3 ways as a sum of consecutive naturals, for example, 10230257 + ... + 10230276.

Almost surely, 2^204605330 is an apocalyptic number.

204605330 is a deficient number, since it is larger than the sum of its proper divisors (163684282).

204605330 is a wasteful number, since it uses less digits than its factorization.

204605330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460540.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 204605330 is about 14304.0319490695. The cubic root of 204605330 is about 589.2582174480.

The spelling of 204605330 in words is "two hundred four million, six hundred five thousand, three hundred thirty".