2120231322 has 64 divisors (see below), whose sum is σ = 5188147200. Its totient is φ = 636470640.

The previous prime is 2120231297. The next prime is 2120231327. The reversal of 2120231322 is 2231320212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2120231295 and 2120231304.

It is not an unprimeable number, because it can be changed into a prime (2120231327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46879 + ... + 80237.

It is an arithmetic number, because the mean of its divisors is an integer number (81064800).

Almost surely, 2^2120231322 is an apocalyptic number.

2120231322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120231322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2594073600).

2120231322 is an abundant number, since it is smaller than the sum of its proper divisors (3067915878).

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

2120231322 is a wasteful number, since it uses less digits than its factorization.

2120231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33488 (or 33482 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2120231322 is about 46045.9696607640. The cubic root of 2120231322 is about 1284.6783798440.

Adding to 2120231322 its reverse (2231320212), we get a palindrome (4351551534).

The spelling of 2120231322 in words is "two billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty-two".