204815330 has 8 divisors (see below), whose sum is σ = 368667612. Its totient is φ = 81926128.

The previous prime is 204815329. The next prime is 204815341. The reversal of 204815330 is 33518402.

It can be written as a sum of positive squares in 2 ways, for example, as 204804721 + 10609 = 14311^2 + 103^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 204815330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10240757 + ... + 10240776.

Almost surely, 2^204815330 is an apocalyptic number.

204815330 is a deficient number, since it is larger than the sum of its proper divisors (163852282).

204815330 is a wasteful number, since it uses less digits than its factorization.

204815330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20481540.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 204815330 is about 14311.3706541337. The cubic root of 204815330 is about 589.4597467600.

The spelling of 204815330 in words is "two hundred four million, eight hundred fifteen thousand, three hundred thirty".