220568315 has 16 divisors (see below), whose sum is σ = 295789536. Its totient is φ = 156499200.

The previous prime is 220568311. The next prime is 220568329. The reversal of 220568315 is 513865022.

It is not a de Polignac number, because 220568315 - 2² = 220568311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220568311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46652 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (18486846).

Almost surely, 2^220568315 is an apocalyptic number.

220568315 is a deficient number, since it is larger than the sum of its proper divisors (75221221).

220568315 is a wasteful number, since it uses less digits than its factorization.

220568315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97870.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 220568315 is about 14851.5425124800. The cubic root of 220568315 is about 604.2004464241.

The spelling of 220568315 in words is "two hundred twenty million, five hundred sixty-eight thousand, three hundred fifteen".