204378112 has 52 divisors (see below), whose sum is σ = 419018796. Its totient is φ = 99614720.

The previous prime is 204378103. The next prime is 204378113. The reversal of 204378112 is 211873402.

It can be written as a sum of positive squares in 2 ways, for example, as 33918976 + 170459136 = 5824^2 + 13056^2 .

It is not an unprimeable number, because it can be changed into a prime (204378113) 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, 167328 + ... + 168544.

Almost surely, 2^204378112 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 204378112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209509398).

204378112 is an abundant number, since it is smaller than the sum of its proper divisors (214640684).

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

204378112 is an equidigital number, since it uses as much as digits as its factorization.

204378112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 204378112 is about 14296.0872968795. The cubic root of 204378112 is about 589.0400092734.

The spelling of 204378112 in words is "two hundred four million, three hundred seventy-eight thousand, one hundred twelve".