2220231023120 has 120 divisors (see below), whose sum is σ = 5681372124120. Its totient is φ = 806304153600.

The previous prime is 2220231023119. The next prime is 2220231023123. The reversal of 2220231023120 is 213201320222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251249557504 + 1968981465616 = 501248^2 + 1403204^2 .

It is a super-3 number, since 3×2220231023120³ (a number of 38 digits) contains 333 as substring.

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 = 2220231023092 and 2220231023101.

It is not an unprimeable number, because it can be changed into a prime (2220231023123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7294790 + ... + 7593050.

It is an arithmetic number, because the mean of its divisors is an integer number (47344767701).

Almost surely, 2^{2220231023120} is an apocalyptic number.

2220231023120 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 2220231023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2840686062060).

2220231023120 is an abundant number, since it is smaller than the sum of its proper divisors (3461141101000).

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

2220231023120 is a wasteful number, since it uses less digits than its factorization.

2220231023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299065 (or 299048 counting only the distinct ones).

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

Adding to 2220231023120 its reverse (213201320222), we get a palindrome (2433432343342).

The spelling of 2220231023120 in words is "two trillion, two hundred twenty billion, two hundred thirty-one million, twenty-three thousand, one hundred twenty".