220021320112 has 40 divisors (see below), whose sum is σ = 469649507472. Its totient is φ = 99019488000.

The previous prime is 220021320097. The next prime is 220021320161. The reversal of 220021320112 is 211023120022.

It is a happy number.

220021320112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6170943 + ... + 6206494.

Almost surely, 2^220021320112 is an apocalyptic number.

220021320112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220021320112 is an abundant number, since it is smaller than the sum of its proper divisors (249628187360).

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

220021320112 is a wasteful number, since it uses less digits than its factorization.

220021320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12377557 (or 12377551 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220021320112 its reverse (211023120022), we get a palindrome (431044440134).

It can be divided in two parts, 2200 and 21320112, that added together give a palindrome (21322312).

The spelling of 220021320112 in words is "two hundred twenty billion, twenty-one million, three hundred twenty thousand, one hundred twelve".