12827736640220 has 24 divisors (see below), whose sum is σ = 26939126358144. Its totient is φ = 5130927148736.

The previous prime is 12827736640181. The next prime is 12827736640267. The reversal of 12827736640220 is 2204663772821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9840332 + ... + 11067411.

It is an arithmetic number, because the mean of its divisors is an integer number (1122463598256).

Almost surely, 2^{12827736640220} is an apocalyptic number.

12827736640220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12827736640220 is an abundant number, since it is smaller than the sum of its proper divisors (14111389717924).

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

12827736640220 is a wasteful number, since it uses less digits than its factorization.

12827736640220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20938429 (or 20938427 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 12827736640220 in words is "twelve trillion, eight hundred twenty-seven billion, seven hundred thirty-six million, six hundred forty thousand, two hundred twenty".