204055305 has 8 divisors (see below), whose sum is σ = 326488512. Its totient is φ = 108829488.

The previous prime is 204055297. The next prime is 204055321. The reversal of 204055305 is 503550402.

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

It is not a de Polignac number, because 204055305 - 2³ = 204055297 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 6801829 + ... + 6801858.

It is an arithmetic number, because the mean of its divisors is an integer number (40811064).

Almost surely, 2^204055305 is an apocalyptic number.

It is an amenable number.

204055305 is a deficient number, since it is larger than the sum of its proper divisors (122433207).

204055305 is a wasteful number, since it uses less digits than its factorization.

204055305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603695.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 204055305 is about 14284.7927881366. The cubic root of 204055305 is about 588.7297241948.

The spelling of 204055305 in words is "two hundred four million, fifty-five thousand, three hundred five".