2320520330040 has 256 divisors, whose sum is σ = 7633660631040. Its totient is φ = 559648320000.

The previous prime is 2320520330039. The next prime is 2320520330059. The reversal of 2320520330040 is 400330250232.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 63 ways as a sum of consecutive naturals, for example, 602574115 + ... + 602577965.

It is an arithmetic number, because the mean of its divisors is an integer number (29818986840).

Almost surely, 2^{2320520330040} is an apocalyptic number.

2320520330040 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 2320520330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816830315520).

2320520330040 is an abundant number, since it is smaller than the sum of its proper divisors (5313140301000).

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

2320520330040 is a wasteful number, since it uses less digits than its factorization.

2320520330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6114 (or 6110 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 2320520330040 its reverse (400330250232), we get a palindrome (2720850580272).

The spelling of 2320520330040 in words is "two trillion, three hundred twenty billion, five hundred twenty million, three hundred thirty thousand, forty".