220464266 has 16 divisors (see below), whose sum is σ = 361590048. Its totient is φ = 99980400.

The previous prime is 220464247. The next prime is 220464271. The reversal of 220464266 is 662464022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (22599378).

Almost surely, 2^220464266 is an apocalyptic number.

220464266 is a deficient number, since it is larger than the sum of its proper divisors (141125782).

220464266 is a wasteful number, since it uses less digits than its factorization.

220464266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23077.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 220464266 is about 14848.0391297976. The cubic root of 220464266 is about 604.1054247069.

The spelling of 220464266 in words is "two hundred twenty million, four hundred sixty-four thousand, two hundred sixty-six".