204415012 has 12 divisors (see below), whose sum is σ = 366451596. Its totient is φ = 99714560.

The previous prime is 204414967. The next prime is 204415019. The reversal of 204415012 is 210514402.

It can be written as a sum of positive squares in 2 ways, for example, as 99680256 + 104734756 = 9984^2 + 10234^2 .

It is not an unprimeable number, because it can be changed into a prime (204415019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623053 + ... + 623380.

It is an arithmetic number, because the mean of its divisors is an integer number (30537633).

Almost surely, 2^204415012 is an apocalyptic number.

It is an amenable number.

204415012 is a deficient number, since it is larger than the sum of its proper divisors (162036584).

204415012 is a wasteful number, since it uses less digits than its factorization.

204415012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246478 (or 1246476 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 204415012 is about 14297.3778015411. The cubic root of 204415012 is about 589.0754570817.

Adding to 204415012 its reverse (210514402), we get a palindrome (414929414).

The spelling of 204415012 in words is "two hundred four million, four hundred fifteen thousand, twelve".