2220111112020 has 48 divisors (see below), whose sum is σ = 6216472586688. Its totient is φ = 592014251520.

The previous prime is 2220111112019. The next prime is 2220111112061. The reversal of 2220111112020 is 202111110222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950135 + ... + 2871105.

It is an arithmetic number, because the mean of its divisors is an integer number (129509845556).

Almost surely, 2^{2220111112020} is an apocalyptic number.

2220111112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220111112020 is an abundant number, since it is smaller than the sum of its proper divisors (3996361474668).

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

2220111112020 is a wasteful number, since it uses less digits than its factorization.

2220111112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961160 (or 961158 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2220111112020 its reverse (202111110222), we get a palindrome (2422222222242).

The spelling of 2220111112020 in words is "two trillion, two hundred twenty billion, one hundred eleven million, one hundred twelve thousand, twenty".