204112424 has 24 divisors (see below), whose sum is σ = 393354990. Its totient is φ = 99292608.

The previous prime is 204112423. The next prime is 204112439. The reversal of 204112424 is 424211402.

It can be written as a sum of positive squares in 3 ways, for example, as 185776900 + 18335524 = 13630^2 + 4282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204112396 and 204112405.

It is not an unprimeable number, because it can be changed into a prime (204112423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1634 + ... + 20270.

Almost surely, 2^204112424 is an apocalyptic number.

It is an amenable number.

204112424 is a deficient number, since it is larger than the sum of its proper divisors (189242566).

204112424 is a wasteful number, since it uses less digits than its factorization.

204112424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18717 (or 18676 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 204112424 is about 14286.7919422101. The cubic root of 204112424 is about 588.7846513234.

Adding to 204112424 its reverse (424211402), we get a palindrome (628323826).

The spelling of 204112424 in words is "two hundred four million, one hundred twelve thousand, four hundred twenty-four".