204906770 has 32 divisors (see below), whose sum is σ = 390642048. Its totient is φ = 77223168.

The previous prime is 204906727. The next prime is 204906787. The reversal of 204906770 is 77609402.

204906770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204906770.

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 15 ways as a sum of consecutive naturals, for example, 8762 + ... + 22058.

It is an arithmetic number, because the mean of its divisors is an integer number (12207564).

Almost surely, 2^204906770 is an apocalyptic number.

204906770 is a deficient number, since it is larger than the sum of its proper divisors (185735278).

204906770 is a wasteful number, since it uses less digits than its factorization.

204906770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13394.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 204906770 is about 14314.5649602075. The cubic root of 204906770 is about 589.5474553314.

The spelling of 204906770 in words is "two hundred four million, nine hundred six thousand, seven hundred seventy".