220876266 has 32 divisors (see below), whose sum is σ = 487343808. Its totient is φ = 66303360.

The previous prime is 220876261. The next prime is 220876289. The reversal of 220876266 is 662678022.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220876261) 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, 31336 + ... + 37731.

It is an arithmetic number, because the mean of its divisors is an integer number (15229494).

Almost surely, 2^220876266 is an apocalyptic number.

220876266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220876266 is an abundant number, since it is smaller than the sum of its proper divisors (266467542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220876266 is a wasteful number, since it uses less digits than its factorization.

220876266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69126.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 220876266 is about 14861.9065398757. The cubic root of 220876266 is about 604.4815046326.

The spelling of 220876266 in words is "two hundred twenty million, eight hundred seventy-six thousand, two hundred sixty-six".