2320520331052 has 48 divisors (see below), whose sum is σ = 5063263930368. Its totient is φ = 904043387520.

The previous prime is 2320520331049. The next prime is 2320520331089. The reversal of 2320520331052 is 2501330250232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2320520331052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4990968 + ... + 5436064.

It is an arithmetic number, because the mean of its divisors is an integer number (105484665216).

Almost surely, 2^{2320520331052} is an apocalyptic number.

2320520331052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2320520331052 is an abundant number, since it is smaller than the sum of its proper divisors (2742743599316).

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

2320520331052 is a wasteful number, since it uses less digits than its factorization.

2320520331052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462046 (or 462044 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 2320520331052 its reverse (2501330250232), we get a palindrome (4821850581284).

The spelling of 2320520331052 in words is "two trillion, three hundred twenty billion, five hundred twenty million, three hundred thirty-one thousand, fifty-two".