220112211020 has 48 divisors (see below), whose sum is σ = 499202615520. Its totient is φ = 81041934336.

The previous prime is 220112210977. The next prime is 220112211061. The reversal of 220112211020 is 20112211022.

It is a super-2 number, since 2×220112211020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220112210986 and 220112211004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107350 + ... + 1290909.

It is an arithmetic number, because the mean of its divisors is an integer number (10400054490).

Almost surely, 2^220112211020 is an apocalyptic number.

220112211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112211020 is an abundant number, since it is smaller than the sum of its proper divisors (279090404500).

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

220112211020 is a wasteful number, since it uses less digits than its factorization.

220112211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398634 (or 2398632 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220112211020 its reverse (20112211022), we get a palindrome (240224422042).

The spelling of 220112211020 in words is "two hundred twenty billion, one hundred twelve million, two hundred eleven thousand, twenty".