204135412 has 24 divisors (see below), whose sum is σ = 385257600. Its totient is φ = 94083936.

The previous prime is 204135389. The next prime is 204135413. The reversal of 204135412 is 214531402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204135413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41289 + ... + 45967.

It is an arithmetic number, because the mean of its divisors is an integer number (16052400).

Almost surely, 2^204135412 is an apocalyptic number.

It is an amenable number.

204135412 is a deficient number, since it is larger than the sum of its proper divisors (181122188).

204135412 is a wasteful number, since it uses less digits than its factorization.

204135412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535 (or 5533 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 204135412 is about 14287.5964388696. The cubic root of 204135412 is about 588.8067542952.

Adding to 204135412 its reverse (214531402), we get a palindrome (418666814).

The spelling of 204135412 in words is "two hundred four million, one hundred thirty-five thousand, four hundred twelve".