220101112020 has 48 divisors (see below), whose sum is σ = 620781553728. Its totient is φ = 58265207040.

The previous prime is 220101112003. The next prime is 220101112037. The reversal of 220101112020 is 20211101022.

220101112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220101112003) and next prime (220101112037).

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 = 220101111987 and 220101112005.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13379926 + ... + 13396365.

It is an arithmetic number, because the mean of its divisors is an integer number (12932949036).

Almost surely, 2^220101112020 is an apocalyptic number.

220101112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101112020 is an abundant number, since it is smaller than the sum of its proper divisors (400680441708).

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

220101112020 is a wasteful number, since it uses less digits than its factorization.

220101112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26776440 (or 26776438 counting only the distinct ones).

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

Adding to 220101112020 its reverse (20211101022), we get a palindrome (240312213042).

The spelling of 220101112020 in words is "two hundred twenty billion, one hundred one million, one hundred twelve thousand, twenty".