204424105215 has 48 divisors (see below), whose sum is σ = 361379509344. Its totient is φ = 98601000960.

The previous prime is 204424105199. The next prime is 204424105219. The reversal of 204424105215 is 512501424402.

It is not a de Polignac number, because 204424105215 - 2⁴ = 204424105199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204424105219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58507 + ... + 642083.

It is an arithmetic number, because the mean of its divisors is an integer number (7528739778).

Almost surely, 2^204424105215 is an apocalyptic number.

204424105215 is a deficient number, since it is larger than the sum of its proper divisors (156955404129).

204424105215 is a wasteful number, since it uses less digits than its factorization.

204424105215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583800 (or 583789 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 204424105215 its reverse (512501424402), we get a palindrome (716925529617).

The spelling of 204424105215 in words is "two hundred four billion, four hundred twenty-four million, one hundred five thousand, two hundred fifteen".