204000115 has 16 divisors (see below), whose sum is σ = 267664896. Its totient is φ = 148024800.

The previous prime is 204000107. The next prime is 204000191. The reversal of 204000115 is 511000402.

204000115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204000115 - 2³ = 204000107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204000095 and 204000104.

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, 21460 + ... + 29470.

It is an arithmetic number, because the mean of its divisors is an integer number (16729056).

Almost surely, 2^204000115 is an apocalyptic number.

204000115 is a deficient number, since it is larger than the sum of its proper divisors (63664781).

204000115 is a wasteful number, since it uses less digits than its factorization.

204000115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 204000115 is about 14282.8608828904. The cubic root of 204000115 is about 588.6766423056.

Adding to 204000115 its reverse (511000402), we get a palindrome (715000517).

The spelling of 204000115 in words is "two hundred four million, one hundred fifteen", and thus it is an aban number.