204542412 has 24 divisors (see below), whose sum is σ = 477750000. Its totient is φ = 68111616.

The previous prime is 204542411. The next prime is 204542417. The reversal of 204542412 is 214245402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204542411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464 + ... + 20712.

It is an arithmetic number, because the mean of its divisors is an integer number (19906250).

Almost surely, 2^204542412 is an apocalyptic number.

It is an amenable number.

204542412 is an abundant number, since it is smaller than the sum of its proper divisors (273207588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204542412 is a wasteful number, since it uses less digits than its factorization.

204542412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17305 (or 17303 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 204542412 is about 14301.8324700019. The cubic root of 204542412 is about 589.1978105018.

Adding to 204542412 its reverse (214245402), we get a palindrome (418787814).

The spelling of 204542412 in words is "two hundred four million, five hundred forty-two thousand, four hundred twelve".