204134242 has 8 divisors (see below), whose sum is σ = 329755356. Its totient is φ = 94215792.

The previous prime is 204134237. The next prime is 204134251. The reversal of 204134242 is 242431402.

It is a happy number.

204134242 is digitally balanced in base 2, 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 171060241 + 33074001 = 13079^2 + 5751^2 .

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, 3925633 + ... + 3925684.

Almost surely, 2^204134242 is an apocalyptic number.

204134242 is a deficient number, since it is larger than the sum of its proper divisors (125621114).

204134242 is a wasteful number, since it uses less digits than its factorization.

204134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851332.

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

The square root of 204134242 is about 14287.5554942054. Note that the first 3 decimals coincide. The cubic root of 204134242 is about 588.8056293798.

Adding to 204134242 its reverse (242431402), we get a palindrome (446565644).

The spelling of 204134242 in words is "two hundred four million, one hundred thirty-four thousand, two hundred forty-two".