220565315 has 16 divisors (see below), whose sum is σ = 269818560. Its totient is φ = 173059200.

The previous prime is 220565311. The next prime is 220565321. The reversal of 220565315 is 513565022.

It is a happy number.

220565315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220565315 - 2² = 220565311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220565311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53042 + ... + 57048.

It is an arithmetic number, because the mean of its divisors is an integer number (16863660).

Almost surely, 2^220565315 is an apocalyptic number.

220565315 is a deficient number, since it is larger than the sum of its proper divisors (49253245).

220565315 is a wasteful number, since it uses less digits than its factorization.

220565315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 220565315 is about 14851.4415125267. The cubic root of 220565315 is about 604.1977071223.

The spelling of 220565315 in words is "two hundred twenty million, five hundred sixty-five thousand, three hundred fifteen".