204231442 has 8 divisors (see below), whose sum is σ = 307935036. Its totient is φ = 101586432.

The previous prime is 204231439. The next prime is 204231473. The reversal of 204231442 is 244132402.

It is a happy number.

204231442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166642281 + 37589161 = 12909^2 + 6131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264163 + ... + 264934.

Almost surely, 2^204231442 is an apocalyptic number.

204231442 is a deficient number, since it is larger than the sum of its proper divisors (103703594).

204231442 is a wasteful number, since it uses less digits than its factorization.

204231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529292.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204231442 is about 14290.9566509734. The cubic root of 204231442 is about 588.8990692411.

Adding to 204231442 its reverse (244132402), we get a palindrome (448363844).

The spelling of 204231442 in words is "two hundred four million, two hundred thirty-one thousand, four hundred forty-two".