2220131023220 has 144 divisors (see below), whose sum is σ = 5273075808000. Its totient is φ = 778664087040.

The previous prime is 2220131023189. The next prime is 2220131023283. The reversal of 2220131023220 is 223201310222.

It is a happy number.

2220131023220 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220131023192 and 2220131023201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192230006 + ... + 192241554.

It is an arithmetic number, because the mean of its divisors is an integer number (36618582000).

Almost surely, 2^{2220131023220} is an apocalyptic number.

2220131023220 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 2220131023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2636537904000).

2220131023220 is an abundant number, since it is smaller than the sum of its proper divisors (3052944784780).

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

2220131023220 is a wasteful number, since it uses less digits than its factorization.

2220131023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666 (or 12635 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220131023220 its reverse (223201310222), we get a palindrome (2443332333442).

The spelling of 2220131023220 in words is "two trillion, two hundred twenty billion, one hundred thirty-one million, twenty-three thousand, two hundred twenty".