13033320120320 has 64 divisors (see below), whose sum is σ = 31279491387540. Its totient is φ = 5213327982592.

The previous prime is 13033320120287. The next prime is 13033320120323. The reversal of 13033320120320 is 2302102333031.

It can be written as a sum of positive squares in 2 ways, for example, as 12725144141824 + 308175978496 = 3567232^2 + 555136^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (13033320120323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39610697 + ... + 39938376.

Almost surely, 2^{13033320120320} is an apocalyptic number.

13033320120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13033320120320 is an abundant number, since it is smaller than the sum of its proper divisors (18246171267220).

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

13033320120320 is an frugal number, since it uses more digits than its factorization.

13033320120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79549108 (or 79549080 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13033320120320 its reverse (2302102333031), we get a palindrome (15335422453351).

The spelling of 13033320120320 in words is "thirteen trillion, thirty-three billion, three hundred twenty million, one hundred twenty thousand, three hundred twenty".