220266460 has 24 divisors (see below), whose sum is σ = 463226400. Its totient is φ = 87979584.

The previous prime is 220266451. The next prime is 220266509. The reversal of 220266460 is 64662022.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6966 + ... + 22114.

It is an arithmetic number, because the mean of its divisors is an integer number (19301100).

Almost surely, 2^220266460 is an apocalyptic number.

220266460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220266460 is an abundant number, since it is smaller than the sum of its proper divisors (242959940).

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

220266460 is a wasteful number, since it uses less digits than its factorization.

220266460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15885 (or 15883 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 220266460 is about 14841.3766207856. The cubic root of 220266460 is about 603.9246978620.

The spelling of 220266460 in words is "two hundred twenty million, two hundred sixty-six thousand, four hundred sixty".