204242472 has 112 divisors (see below), whose sum is σ = 656324640. Its totient is φ = 58343328.

The previous prime is 204242459. The next prime is 204242497. The reversal of 204242472 is 274242402.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 27 ways as a sum of consecutive naturals, for example, 38323 + ... + 43325.

Almost surely, 2^204242472 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 204242472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328162320).

204242472 is an abundant number, since it is smaller than the sum of its proper divisors (452082168).

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

204242472 is an equidigital number, since it uses as much as digits as its factorization.

204242472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 204242472 is about 14291.3425541479. The cubic root of 204242472 is about 588.9096706773.

Adding to 204242472 its reverse (274242402), we get a palindrome (478484874).

The spelling of 204242472 in words is "two hundred four million, two hundred forty-two thousand, four hundred seventy-two".