13323351044020 has 24 divisors (see below), whose sum is σ = 27981206820000. Its totient is φ = 5328927155232.

The previous prime is 13323351044011. The next prime is 13323351044053. The reversal of 13323351044020 is 2044015332331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25564470 + ... + 26080429.

It is an arithmetic number, because the mean of its divisors is an integer number (1165883617500).

Almost surely, 2^{13323351044020} is an apocalyptic number.

13323351044020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323351044020 is an abundant number, since it is smaller than the sum of its proper divisors (14657855775980).

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

13323351044020 is a wasteful number, since it uses less digits than its factorization.

13323351044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51657807 (or 51657805 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 13323351044020 its reverse (2044015332331), we get a palindrome (15367366376351).

The spelling of 13323351044020 in words is "thirteen trillion, three hundred twenty-three billion, three hundred fifty-one million, forty-four thousand, twenty".