204042442 has 8 divisors (see below), whose sum is σ = 306144036. Its totient is φ = 101994432.

The previous prime is 204042431. The next prime is 204042491. The reversal of 204042442 is 244240402.

It can be written as a sum of positive squares in 2 ways, for example, as 203946961 + 95481 = 14281^2 + 309^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903 + ... + 20290.

Almost surely, 2^204042442 is an apocalyptic number.

204042442 is a deficient number, since it is larger than the sum of its proper divisors (102101594).

204042442 is a wasteful number, since it uses less digits than its factorization.

204042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26792.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 204042442 is about 14284.3425469988. The cubic root of 204042442 is about 588.7173533826.

Adding to 204042442 its reverse (244240402), we get a palindrome (448282844).

The spelling of 204042442 in words is "two hundred four million, forty-two thousand, four hundred forty-two".