204155502 has 16 divisors (see below), whose sum is σ = 409619280. Its totient is φ = 67833792.

The previous prime is 204155477. The next prime is 204155503. The reversal of 204155502 is 205551402.

It is a happy number.

204155502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204155503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52477 + ... + 56232.

It is an arithmetic number, because the mean of its divisors is an integer number (25601205).

Almost surely, 2^204155502 is an apocalyptic number.

204155502 is an abundant number, since it is smaller than the sum of its proper divisors (205463778).

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

204155502 is a wasteful number, since it uses less digits than its factorization.

204155502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109027.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 204155502 is about 14288.2994789443. The cubic root of 204155502 is about 588.8260694801.

The spelling of 204155502 in words is "two hundred four million, one hundred fifty-five thousand, five hundred two".