20560341938871 has 12 divisors (see below), whose sum is σ = 31889509946232. Its totient is φ = 11748766822128.

The previous prime is 20560341938867. The next prime is 20560341938897. The reversal of 20560341938871 is 17883914306502.

It is not a de Polignac number, because 20560341938871 - 2² = 20560341938867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560341938821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69933135700 + ... + 69933135993.

It is an arithmetic number, because the mean of its divisors is an integer number (2657459162186).

It is a 1-persistent number, because it is pandigital, but 2⋅20560341938871 = 41120683877742 is not.

Almost surely, 2^{20560341938871} is an apocalyptic number.

20560341938871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20560341938871 is a deficient number, since it is larger than the sum of its proper divisors (11329168007361).

20560341938871 is a wasteful number, since it uses less digits than its factorization.

20560341938871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139866271710 (or 139866271703 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 20560341938871 in words is "twenty trillion, five hundred sixty billion, three hundred forty-one million, nine hundred thirty-eight thousand, eight hundred seventy-one".