13207886378020 has 12 divisors (see below), whose sum is σ = 27736561393884. Its totient is φ = 5283154551200.

The previous prime is 13207886377999. The next prime is 13207886378039. The reversal of 13207886378020 is 2087368870231.

It can be written as a sum of positive squares in 2 ways, for example, as 3033929945124 + 10173956432896 = 1741818^2 + 3189664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330197159431 + ... + 330197159470.

It is an arithmetic number, because the mean of its divisors is an integer number (2311380116157).

Almost surely, 2^{13207886378020} is an apocalyptic number.

13207886378020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13207886378020 is an abundant number, since it is smaller than the sum of its proper divisors (14528675015864).

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

13207886378020 is a wasteful number, since it uses less digits than its factorization.

13207886378020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660394318910 (or 660394318908 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 13207886378020 in words is "thirteen trillion, two hundred seven billion, eight hundred eighty-six million, three hundred seventy-eight thousand, twenty".