204402104 has 16 divisors (see below), whose sum is σ = 399917520. Its totient is φ = 97757440.

The previous prime is 204402103. The next prime is 204402109. The reversal of 204402104 is 401204402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204402103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555257 + ... + 555624.

It is an arithmetic number, because the mean of its divisors is an integer number (24994845).

Almost surely, 2^204402104 is an apocalyptic number.

It is an amenable number.

204402104 is a deficient number, since it is larger than the sum of its proper divisors (195515416).

204402104 is a wasteful number, since it uses less digits than its factorization.

204402104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110910 (or 1110906 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204402104 is about 14296.9263829678. The cubic root of 204402104 is about 589.0630575585.

Adding to 204402104 its reverse (401204402), we get a palindrome (605606506).

The spelling of 204402104 in words is "two hundred four million, four hundred two thousand, one hundred four".