204025442 has 4 divisors (see below), whose sum is σ = 306038166. Its totient is φ = 102012720.

The previous prime is 204025429. The next prime is 204025463. The reversal of 204025442 is 244520402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 167676601 + 36348841 = 12949^2 + 6029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006359 + ... + 51006362.

Almost surely, 2^204025442 is an apocalyptic number.

204025442 is a deficient number, since it is larger than the sum of its proper divisors (102012724).

204025442 is a wasteful number, since it uses less digits than its factorization.

204025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102012723.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 204025442 is about 14283.7474774654. The cubic root of 204025442 is about 588.7010030703.

Adding to 204025442 its reverse (244520402), we get a palindrome (448545844).

The spelling of 204025442 in words is "two hundred four million, twenty-five thousand, four hundred forty-two".