220266262464 has 28 divisors (see below), whose sum is σ = 582787819944. Its totient is φ = 73422087424.

The previous prime is 220266262397. The next prime is 220266262487. The reversal of 220266262464 is 464262662022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573609867 + ... + 573610250.

Almost surely, 2^220266262464 is an apocalyptic number.

220266262464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220266262464 is an abundant number, since it is smaller than the sum of its proper divisors (362521557480).

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

220266262464 is a wasteful number, since it uses less digits than its factorization.

220266262464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147220132 (or 1147220122 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 220266262464 in words is "two hundred twenty billion, two hundred sixty-six million, two hundred sixty-two thousand, four hundred sixty-four".