220112011020 has 96 divisors (see below), whose sum is σ = 680442819840. Its totient is φ = 52717576960.

The previous prime is 220112010997. The next prime is 220112011037. The reversal of 220112011020 is 20110211022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220112010987 and 220112011005.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1954275 + ... + 2063834.

It is an arithmetic number, because the mean of its divisors is an integer number (7087946040).

Almost surely, 2^220112011020 is an apocalyptic number.

220112011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112011020 is an abundant number, since it is smaller than the sum of its proper divisors (460330808820).

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

220112011020 is a wasteful number, since it uses less digits than its factorization.

220112011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018215 (or 4018213 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220112011020 its reverse (20110211022), we get a palindrome (240222222042).

The spelling of 220112011020 in words is "two hundred twenty billion, one hundred twelve million, eleven thousand, twenty".