13272166776020 has 12 divisors (see below), whose sum is σ = 27871550229684. Its totient is φ = 5308866710400.

The previous prime is 13272166775983. The next prime is 13272166776047. The reversal of 13272166776020 is 2067766127231.

It can be written as a sum of positive squares in 2 ways, for example, as 4444220529424 + 8827946246596 = 2108132^2 + 2971186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13272166776020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331804169381 + ... + 331804169420.

It is an arithmetic number, because the mean of its divisors is an integer number (2322629185807).

Almost surely, 2^{13272166776020} is an apocalyptic number.

13272166776020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13272166776020 is an abundant number, since it is smaller than the sum of its proper divisors (14599383453664).

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

13272166776020 is a wasteful number, since it uses less digits than its factorization.

13272166776020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663608338810 (or 663608338808 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 13272166776020 in words is "thirteen trillion, two hundred seventy-two billion, one hundred sixty-six million, seven hundred seventy-six thousand, twenty".