204224245215 has 128 divisors (see below), whose sum is σ = 380391552000. Its totient is φ = 92885999616.

The previous prime is 204224245189. The next prime is 204224245219. The reversal of 204224245215 is 512542422402.

It is not a de Polignac number, because 204224245215 - 2⁶ = 204224245151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204224245219) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10566981 + ... + 10586289.

It is an arithmetic number, because the mean of its divisors is an integer number (2971809000).

Almost surely, 2^204224245215 is an apocalyptic number.

204224245215 is a deficient number, since it is larger than the sum of its proper divisors (176167306785).

204224245215 is a wasteful number, since it uses less digits than its factorization.

204224245215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19449.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 204224245215 its reverse (512542422402), we get a palindrome (716766667617).

The spelling of 204224245215 in words is "two hundred four billion, two hundred twenty-four million, two hundred forty-five thousand, two hundred fifteen".