220266486 has 64 divisors (see below), whose sum is σ = 542822400. Its totient is φ = 65642400.

The previous prime is 220266451. The next prime is 220266509. The reversal of 220266486 is 684662022.

220266486 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 6 + 648 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 220266486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33195 + ... + 39273.

It is an arithmetic number, because the mean of its divisors is an integer number (8481600).

Almost surely, 2^220266486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220266486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271411200).

220266486 is an abundant number, since it is smaller than the sum of its proper divisors (322555914).

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

220266486 is a wasteful number, since it uses less digits than its factorization.

220266486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6162 (or 6156 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 220266486 is about 14841.3774967151. The cubic root of 220266486 is about 603.9247216242.

The spelling of 220266486 in words is "two hundred twenty million, two hundred sixty-six thousand, four hundred eighty-six".