220220211112210 has 16 divisors (see below), whose sum is σ = 396411126826392. Its totient is φ = 88084807372800.

The previous prime is 220220211112177. The next prime is 220220211112261. The reversal of 220220211112210 is 12211112022022.

It can be written as a sum of positive squares in 4 ways, for example, as 210979140064641 + 9241071047569 = 14525121^2 + 3039913^2 .

It is a super-2 number, since 2×220220211112210² (a number of 29 digits) contains 22 as substring.

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, 409351761 + ... + 409889380.

Almost surely, 2^{220220211112210} is an apocalyptic number.

220220211112210 is a deficient number, since it is larger than the sum of its proper divisors (176190915714182).

220220211112210 is a wasteful number, since it uses less digits than its factorization.

220220211112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819268029.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220220211112210 its reverse (12211112022022), we get a palindrome (232431323134232).

The spelling of 220220211112210 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred ten".