220112221001020 has 24 divisors (see below), whose sum is σ = 462288425075568. Its totient is φ = 88034838691200.

The previous prime is 220112221000877. The next prime is 220112221001093. The reversal of 220112221001020 is 20100122211022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220112221000985 and 220112221001003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627927226 + ... + 628277665.

It is an arithmetic number, because the mean of its divisors is an integer number (19262017711482).

Almost surely, 2^{220112221001020} is an apocalyptic number.

220112221001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112221001020 is an abundant number, since it is smaller than the sum of its proper divisors (242176204074548).

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

220112221001020 is a wasteful number, since it uses less digits than its factorization.

220112221001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256213661 (or 1256213659 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220112221001020 its reverse (20100122211022), we get a palindrome (240212343212042).

The spelling of 220112221001020 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred twenty-one million, one thousand, twenty".