2020220111220 has 96 divisors (see below), whose sum is σ = 5726505375360. Its totient is φ = 532073203200.

The previous prime is 2020220111213. The next prime is 2020220111269. The reversal of 2020220111220 is 221110220202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2020220111220.

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 31 ways as a sum of consecutive naturals, for example, 16817370 + ... + 16937070.

It is an arithmetic number, because the mean of its divisors is an integer number (59651097660).

Almost surely, 2^{2020220111220} is an apocalyptic number.

2020220111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020220111220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2863252687680).

2020220111220 is an abundant number, since it is smaller than the sum of its proper divisors (3706285264140).

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

2020220111220 is a wasteful number, since it uses less digits than its factorization.

2020220111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123185 (or 123183 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020220111220 its reverse (221110220202), we get a palindrome (2241330331422).

The spelling of 2020220111220 in words is "two trillion, twenty billion, two hundred twenty million, one hundred eleven thousand, two hundred twenty".