220566316 has 12 divisors (see below), whose sum is σ = 386169840. Its totient is φ = 110232080.

The previous prime is 220566293. The next prime is 220566329. The reversal of 220566316 is 613665022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (32180820).

Almost surely, 2^220566316 is an apocalyptic number.

It is an amenable number.

220566316 is a deficient number, since it is larger than the sum of its proper divisors (165603524).

220566316 is a wasteful number, since it uses less digits than its factorization.

220566316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25544 (or 25542 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 220566316 is about 14851.4752129208. The cubic root of 220566316 is about 604.1986211388.

The spelling of 220566316 in words is "two hundred twenty million, five hundred sixty-six thousand, three hundred sixteen".