20568086799475 has 6 divisors (see below), whose sum is σ = 25504427631380. Its totient is φ = 16454469439560.

The previous prime is 20568086799473. The next prime is 20568086799497. The reversal of 20568086799475 is 57499768086502.

It is not a de Polignac number, because 20568086799475 - 2¹ = 20568086799473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20568086799473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411361735965 + ... + 411361736014.

Almost surely, 2^{20568086799475} is an apocalyptic number.

20568086799475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20568086799475 is a deficient number, since it is larger than the sum of its proper divisors (4936340831905).

20568086799475 is an equidigital number, since it uses as much as digits as its factorization.

20568086799475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822723471989 (or 822723471984 counting only the distinct ones).

The product of its (nonzero) digits is 1828915200, while the sum is 76.

The spelling of 20568086799475 in words is "twenty trillion, five hundred sixty-eight billion, eighty-six million, seven hundred ninety-nine thousand, four hundred seventy-five".