205020604 has 12 divisors (see below), whose sum is σ = 371158200. Its totient is φ = 98975408.

The previous prime is 205020601. The next prime is 205020617. The reversal of 205020604 is 406020502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205020601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883594 + ... + 883825.

It is an arithmetic number, because the mean of its divisors is an integer number (30929850).

Almost surely, 2^205020604 is an apocalyptic number.

It is an amenable number.

205020604 is a deficient number, since it is larger than the sum of its proper divisors (166137596).

205020604 is a wasteful number, since it uses less digits than its factorization.

205020604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767452 (or 1767450 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 205020604 is about 14318.5405680886. The cubic root of 205020604 is about 589.6566076080.

The spelling of 205020604 in words is "two hundred five million, twenty thousand, six hundred four".