204345412 has 12 divisors (see below), whose sum is σ = 357977340. Its totient is φ = 102066176.

The previous prime is 204345403. The next prime is 204345451. The reversal of 204345412 is 214543402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 147282496 + 57062916 = 12136^2 + 7554^2 .

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, 22237 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (29831445).

Almost surely, 2^204345412 is an apocalyptic number.

It is an amenable number.

204345412 is a deficient number, since it is larger than the sum of its proper divisors (153631928).

204345412 is a wasteful number, since it uses less digits than its factorization.

204345412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53270 (or 53268 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 204345412 is about 14294.9435815606. The cubic root of 204345412 is about 589.0085926090.

Adding to 204345412 its reverse (214543402), we get a palindrome (418888814).

The spelling of 204345412 in words is "two hundred four million, three hundred forty-five thousand, four hundred twelve".