2120243320 has 64 divisors (see below), whose sum is σ = 5246881920. Its totient is φ = 766193664.

The previous prime is 2120243303. The next prime is 2120243327. The reversal of 2120243320 is 233420212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120243327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18937 + ... + 67816.

It is an arithmetic number, because the mean of its divisors is an integer number (81982530).

Almost surely, 2^2120243320 is an apocalyptic number.

2120243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120243320 is an abundant number, since it is smaller than the sum of its proper divisors (3126638600).

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

2120243320 is a wasteful number, since it uses less digits than its factorization.

2120243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86824 (or 86820 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2120243320 is about 46046.0999434263. The cubic root of 2120243320 is about 1284.6808030925.

Adding to 2120243320 its reverse (233420212), we get a palindrome (2353663532).

The spelling of 2120243320 in words is "two billion, one hundred twenty million, two hundred forty-three thousand, three hundred twenty".