220566462012020 has 24 divisors (see below), whose sum is σ = 479161624372200. Its totient is φ = 85184288776832.

The previous prime is 220566462011989. The next prime is 220566462012059. The reversal of 220566462012020 is 20210264665022.

It can be written as a sum of positive squares in 4 ways, for example, as 92549864240656 + 128016597771364 = 9620284^2 + 11314442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190143501155 + ... + 190143502314.

It is an arithmetic number, because the mean of its divisors is an integer number (19965067682175).

Almost surely, 2^{220566462012020} is an apocalyptic number.

220566462012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220566462012020 is an abundant number, since it is smaller than the sum of its proper divisors (258595162360180).

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

220566462012020 is a wasteful number, since it uses less digits than its factorization.

220566462012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380287003507 (or 380287003505 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 220566462012020 in words is "two hundred twenty trillion, five hundred sixty-six billion, four hundred sixty-two million, twelve thousand, twenty".