220110211211020 has 24 divisors (see below), whose sum is σ = 497787708431664. Its totient is φ = 81271462600896.

The previous prime is 220110211210999. The next prime is 220110211211021. The reversal of 220110211211020 is 20112112011022.

It is a junction number, because it is equal to n+sod(n) for n = 220110211210985 and 220110211211003.

It is not an unprimeable number, because it can be changed into a prime (220110211211021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423288867454 + ... + 423288867973.

It is an arithmetic number, because the mean of its divisors is an integer number (20741154517986).

Almost surely, 2^{220110211211020} is an apocalyptic number.

220110211211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110211211020 is an abundant number, since it is smaller than the sum of its proper divisors (277677497220644).

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

220110211211020 is a wasteful number, since it uses less digits than its factorization.

220110211211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846577735449 (or 846577735447 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220110211211020 its reverse (20112112011022), we get a palindrome (240222323222042).

The spelling of 220110211211020 in words is "two hundred twenty trillion, one hundred ten billion, two hundred eleven million, two hundred eleven thousand, twenty".