204718104 has 80 divisors (see below), whose sum is σ = 575514720. Its totient is φ = 67988160.

The previous prime is 204718091. The next prime is 204718121. The reversal of 204718104 is 401817402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278922 + ... + 279654.

It is an arithmetic number, because the mean of its divisors is an integer number (7193934).

Almost surely, 2^204718104 is an apocalyptic number.

204718104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204718104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287757360).

204718104 is an abundant number, since it is smaller than the sum of its proper divisors (370796616).

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

204718104 is a wasteful number, since it uses less digits than its factorization.

204718104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 204718104 is about 14307.9734414067. The cubic root of 204718104 is about 589.3664596605.

The spelling of 204718104 in words is "two hundred four million, seven hundred eighteen thousand, one hundred four".