204931442 has 8 divisors (see below), whose sum is σ = 307458732. Its totient is φ = 102445200.

The previous prime is 204931439. The next prime is 204931457. The reversal of 204931442 is 244139402.

It can be written as a sum of positive squares in 2 ways, for example, as 156225001 + 48706441 = 12499^2 + 6979^2 .

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, 11192 + ... + 23132.

Almost surely, 2^204931442 is an apocalyptic number.

204931442 is a deficient number, since it is larger than the sum of its proper divisors (102527290).

204931442 is a wasteful number, since it uses less digits than its factorization.

204931442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20524.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 204931442 is about 14315.4267138636. The cubic root of 204931442 is about 589.5711160610.

The spelling of 204931442 in words is "two hundred four million, nine hundred thirty-one thousand, four hundred forty-two".