205472404 has 24 divisors (see below), whose sum is σ = 389587968. Its totient is φ = 94442880.

The previous prime is 205472383. The next prime is 205472417. The reversal of 205472404 is 404274502.

It is a happy number.

205472404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32212 + ... + 38059.

It is an arithmetic number, because the mean of its divisors is an integer number (16232832).

Almost surely, 2^205472404 is an apocalyptic number.

It is an amenable number.

205472404 is a deficient number, since it is larger than the sum of its proper divisors (184115564).

205472404 is a wasteful number, since it uses less digits than its factorization.

205472404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70335 (or 70333 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 205472404 is about 14334.3086334849. The cubic root of 205472404 is about 590.0894281757.

The spelling of 205472404 in words is "two hundred five million, four hundred seventy-two thousand, four hundred four".