204112224 has 72 divisors (see below), whose sum is σ = 601965000. Its totient is φ = 68034816.

The previous prime is 204112219. The next prime is 204112229. The reversal of 204112224 is 422211402.

It is an interprime number because it is at equal distance from previous prime (204112219) and next prime (204112229).

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 204112197 and 204112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204112229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5349 + ... + 20900.

It is an arithmetic number, because the mean of its divisors is an integer number (8360625).

Almost surely, 2^204112224 is an apocalyptic number.

204112224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204112224 is an abundant number, since it is smaller than the sum of its proper divisors (397852776).

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

204112224 is an equidigital number, since it uses as much as digits as its factorization.

204112224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26274 (or 26254 counting only the distinct ones).

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

The square root of 204112224 is about 14286.7849427364. The cubic root of 204112224 is about 588.7844590160.

Adding to 204112224 its reverse (422211402), we get a palindrome (626323626).

The spelling of 204112224 in words is "two hundred four million, one hundred twelve thousand, two hundred twenty-four".