13104042320020 has 12 divisors (see below), whose sum is σ = 27518488872084. Its totient is φ = 5241616928000.

The previous prime is 13104042320003. The next prime is 13104042320021. The reversal of 13104042320020 is 2002324040131.

It can be written as a sum of positive squares in 2 ways, for example, as 9450385925904 + 3653656394116 = 3074148^2 + 1911454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13104042319973 and 13104042320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104042320021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327601057981 + ... + 327601058020.

It is an arithmetic number, because the mean of its divisors is an integer number (2293207406007).

Almost surely, 2^{13104042320020} is an apocalyptic number.

13104042320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13104042320020 is an abundant number, since it is smaller than the sum of its proper divisors (14414446552064).

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

13104042320020 is a wasteful number, since it uses less digits than its factorization.

13104042320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655202116010 (or 655202116008 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13104042320020 its reverse (2002324040131), we get a palindrome (15106366360151).

The spelling of 13104042320020 in words is "thirteen trillion, one hundred four billion, forty-two million, three hundred twenty thousand, twenty".