220266100 has 36 divisors (see below), whose sum is σ = 483367500. Its totient is φ = 87112960.

The previous prime is 220266091. The next prime is 220266113. The reversal of 220266100 is 1662022.

It can be written as a sum of positive squares in 6 ways, for example, as 99856 + 220166244 = 316^2 + 14838^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3475 + ... + 21274.

It is an arithmetic number, because the mean of its divisors is an integer number (13426875).

Almost surely, 2^220266100 is an apocalyptic number.

220266100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220266100 is an abundant number, since it is smaller than the sum of its proper divisors (263101400).

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

220266100 is a wasteful number, since it uses less digits than its factorization.

220266100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24852 (or 24845 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 220266100 is about 14841.3644925256. The cubic root of 220266100 is about 603.9243688468.

The spelling of 220266100 in words is "two hundred twenty million, two hundred sixty-six thousand, one hundred".