204142224 has 80 divisors (see below), whose sum is σ = 619585344. Its totient is φ = 57100800.

The previous prime is 204142219. The next prime is 204142231. The reversal of 204142224 is 422241402.

It is a self number, because there is not a number n which added to its sum of digits gives 204142224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8007 + ... + 21734.

Almost surely, 2^204142224 is an apocalyptic number.

204142224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204142224 is an abundant number, since it is smaller than the sum of its proper divisors (415443120).

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

204142224 is a wasteful number, since it uses less digits than its factorization.

204142224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29776 (or 29770 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 204142224 is about 14287.8348254730. The cubic root of 204142224 is about 588.8133037174.

Adding to 204142224 its reverse (422241402), we get a palindrome (626383626).

The spelling of 204142224 in words is "two hundred four million, one hundred forty-two thousand, two hundred twenty-four".