204000104 has 96 divisors (see below), whose sum is σ = 490276800. Its totient is φ = 77299200.

The previous prime is 204000091. The next prime is 204000107. The reversal of 204000104 is 401000402.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204000107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2292092 + ... + 2292180.

It is an arithmetic number, because the mean of its divisors is an integer number (5107050).

Almost surely, 2^204000104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204000104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245138400).

204000104 is an abundant number, since it is smaller than the sum of its proper divisors (286276696).

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

204000104 is a wasteful number, since it uses less digits than its factorization.

204000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 204000104 is about 14282.8604978135. The cubic root of 204000104 is about 588.6766317249.

Adding to 204000104 its reverse (401000402), we get a palindrome (605000506).

The spelling of 204000104 in words is "two hundred four million, one hundred four", and thus it is an aban number.