204730206 has 32 divisors (see below), whose sum is σ = 434332800. Its totient is φ = 64153440.

The previous prime is 204730157. The next prime is 204730241. The reversal of 204730206 is 602037402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8080 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (13572900).

Almost surely, 2^204730206 is an apocalyptic number.

204730206 is an abundant number, since it is smaller than the sum of its proper divisors (229602594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204730206 is a wasteful number, since it uses less digits than its factorization.

204730206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 204730206 is about 14308.3963462018. The cubic root of 204730206 is about 589.3780729834.

Adding to 204730206 its reverse (602037402), we get a palindrome (806767608).

The spelling of 204730206 in words is "two hundred four million, seven hundred thirty thousand, two hundred six".