204022605 has 16 divisors (see below), whose sum is σ = 326853504. Its totient is φ = 108672960.

The previous prime is 204022541. The next prime is 204022607. The reversal of 204022605 is 506220402.

It is not a de Polignac number, because 204022605 - 2⁶ = 204022541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4032 + ... + 20598.

It is an arithmetic number, because the mean of its divisors is an integer number (20428344).

Almost surely, 2^204022605 is an apocalyptic number.

It is an amenable number.

204022605 is a deficient number, since it is larger than the sum of its proper divisors (122830899).

204022605 is a wasteful number, since it uses less digits than its factorization.

204022605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17396.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 204022605 is about 14283.6481684477. The cubic root of 204022605 is about 588.6982744032.

The spelling of 204022605 in words is "two hundred four million, twenty-two thousand, six hundred five".