204004102 has 16 divisors (see below), whose sum is σ = 328192560. Its totient is φ = 94809312.

The previous prime is 204004093. The next prime is 204004127. The reversal of 204004102 is 201400402.

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, 48633 + ... + 52660.

It is an arithmetic number, because the mean of its divisors is an integer number (20512035).

Almost surely, 2^204004102 is an apocalyptic number.

204004102 is a deficient number, since it is larger than the sum of its proper divisors (124188458).

204004102 is a wasteful number, since it uses less digits than its factorization.

204004102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101367.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 204004102 is about 14283.0004550865. Note that the first 3 decimals coincide. The cubic root of 204004102 is about 588.6804773337.

Subtracting from 204004102 its sum of digits (13), we obtain a square (204004089 = 14283²).

Adding to 204004102 its reverse (201400402), we get a palindrome (405404504).

The spelling of 204004102 in words is "two hundred four million, four thousand, one hundred two".