220475888882 has 30 divisors (see below), whose sum is σ = 345742233213. Its totient is φ = 105441901096.

The previous prime is 220475888851. The next prime is 220475888887. The reversal of 220475888882 is 288888574022.

220475888882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220344809281 + 131079601 = 469409^2 + 11449^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332021.

It is a super-2 number, since 2×220475888882² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220475888887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2060522273 + ... + 2060522379.

Almost surely, 2^220475888882 is an apocalyptic number.

220475888882 is a deficient number, since it is larger than the sum of its proper divisors (125266344331).

220475888882 is an frugal number, since it uses more digits than its factorization.

220475888882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 36700160, while the sum is 62.

The spelling of 220475888882 in words is "two hundred twenty billion, four hundred seventy-five million, eight hundred eighty-eight thousand, eight hundred eighty-two".