204551130 has 32 divisors (see below), whose sum is σ = 561055104. Its totient is φ = 46754496.

The previous prime is 204551111. The next prime is 204551141. The reversal of 204551130 is 31155402.

204551130 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 204551097 and 204551106.

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, 486817 + ... + 487236.

It is an arithmetic number, because the mean of its divisors is an integer number (17532972).

Almost surely, 2^204551130 is an apocalyptic number.

204551130 is an abundant number, since it is smaller than the sum of its proper divisors (356503974).

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

204551130 is a wasteful number, since it uses less digits than its factorization.

204551130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974070.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 204551130 is about 14302.1372528724. The cubic root of 204551130 is about 589.2061813062.

The spelling of 204551130 in words is "two hundred four million, five hundred fifty-one thousand, one hundred thirty".