204093090 has 24 divisors (see below), whose sum is σ = 530642268. Its totient is φ = 54424800.

The previous prime is 204093083. The next prime is 204093137. The reversal of 204093090 is 90390402.

It can be written as a sum of positive squares in 2 ways, for example, as 203661441 + 431649 = 14271^2 + 657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133761 + ... + 1133940.

Almost surely, 2^204093090 is an apocalyptic number.

204093090 is an abundant number, since it is smaller than the sum of its proper divisors (326549178).

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

204093090 is a wasteful number, since it uses less digits than its factorization.

204093090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267714 (or 2267711 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 204093090 is about 14286.1152872291. The cubic root of 204093090 is about 588.7660603892.

The spelling of 204093090 in words is "two hundred four million, ninety-three thousand, ninety".