204188502 has 16 divisors (see below), whose sum is σ = 466716672. Its totient is φ = 58339560.

The previous prime is 204188471. The next prime is 204188561. The reversal of 204188502 is 205881402.

It is a self number, because there is not a number n which added to its sum of digits gives 204188502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430774 + ... + 2430857.

It is an arithmetic number, because the mean of its divisors is an integer number (29169792).

Almost surely, 2^204188502 is an apocalyptic number.

204188502 is an abundant number, since it is smaller than the sum of its proper divisors (262528170).

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

204188502 is a wasteful number, since it uses less digits than its factorization.

204188502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861643.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 204188502 is about 14289.4542233075. The cubic root of 204188502 is about 588.8577940123.

It can be divided in two parts, 20418 and 8502, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 204188502 in words is "two hundred four million, one hundred eighty-eight thousand, five hundred two".