204404112 has 120 divisors (see below), whose sum is σ = 638777568. Its totient is φ = 60480000.

The previous prime is 204404077. The next prime is 204404113. The reversal of 204404112 is 211404402.

204404112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (204404113) 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, 66612 + ... + 69612.

Almost surely, 2^204404112 is an apocalyptic number.

204404112 is a gapful number since it is divisible by the number (22) 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 204404112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319388784).

204404112 is an abundant number, since it is smaller than the sum of its proper divisors (434373456).

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

204404112 is a wasteful number, since it uses less digits than its factorization.

204404112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204404112 is about 14296.9966076795. The cubic root of 204404112 is about 589.0649864928.

Adding to 204404112 its reverse (211404402), we get a palindrome (415808514).

The spelling of 204404112 in words is "two hundred four million, four hundred four thousand, one hundred twelve".