220112112211020 has 96 divisors (see below), whose sum is σ = 685110128821440. Its totient is φ = 58669401185280.

The previous prime is 220112112211009. The next prime is 220112112211037. The reversal of 220112112211020 is 20112211211022.

220112112211020 is a `hidden beast` number, since 2 + 201 + 1 + 211 + 221 + 10 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220112112210984 and 220112112211002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93144727 + ... + 95478606.

It is an arithmetic number, because the mean of its divisors is an integer number (7136563841890).

Almost surely, 2^{220112112211020} is an apocalyptic number.

220112112211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112112211020 is an abundant number, since it is smaller than the sum of its proper divisors (464998016610420).

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

220112112211020 is a wasteful number, since it uses less digits than its factorization.

220112112211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188625512 (or 188625504 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220112112211020 its reverse (20112211211022), we get a palindrome (240224323422042).

The spelling of 220112112211020 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twelve million, two hundred eleven thousand, twenty".