20975082882097 has 4 divisors (see below), whose sum is σ = 20975139524080. Its totient is φ = 20975026240116.

The previous prime is 20975082882073. The next prime is 20975082882121. The reversal of 20975082882097 is 79028828057902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20975082882073) and next prime (20975082882121).

It is a cyclic number.

It is not a de Polignac number, because 20975082882097 - 2³¹ = 20972935398449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20975082882067) by changing a digit.

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, 27761847 + ... + 28507372.

It is an arithmetic number, because the mean of its divisors is an integer number (5243784881020).

Almost surely, 2^{20975082882097} is an apocalyptic number.

It is an amenable number.

20975082882097 is a deficient number, since it is larger than the sum of its proper divisors (56641983).

20975082882097 is an equidigital number, since it uses as much as digits as its factorization.

20975082882097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56641982.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 20975082882097 in words is "twenty trillion, nine hundred seventy-five billion, eighty-two million, eight hundred eighty-two thousand, ninety-seven".