204212434 has 8 divisors (see below), whose sum is σ = 306395568. Its totient is φ = 102080580.

The previous prime is 204212419. The next prime is 204212441. The reversal of 204212434 is 434212402.

It is a happy number.

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, 492 + ... + 20215.

It is an arithmetic number, because the mean of its divisors is an integer number (38299446).

Almost surely, 2^204212434 is an apocalyptic number.

204212434 is a deficient number, since it is larger than the sum of its proper divisors (102183134).

204212434 is a wasteful number, since it uses less digits than its factorization.

204212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25640.

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

The square root of 204212434 is about 14290.2915995441. The cubic root of 204212434 is about 588.8807988894.

Adding to 204212434 its reverse (434212402), we get a palindrome (638424836).

The spelling of 204212434 in words is "two hundred four million, two hundred twelve thousand, four hundred thirty-four".