20568086799474 has 16 divisors (see below), whose sum is σ = 41136238327680. Its totient is φ = 6856018145040.

The previous prime is 20568086799473. The next prime is 20568086799497. The reversal of 20568086799474 is 47499768086502.

It is a super-2 number, since 2×20568086799474² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20568086799396 and 20568086799405.

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 7 ways as a sum of consecutive naturals, for example, 2086444 + ... + 6744584.

It is an arithmetic number, because the mean of its divisors is an integer number (2571014895480).

Almost surely, 2^{20568086799474} is an apocalyptic number.

20568086799474 is an abundant number, since it is smaller than the sum of its proper divisors (20568151528206).

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

20568086799474 is a wasteful number, since it uses less digits than its factorization.

20568086799474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394065.

The product of its (nonzero) digits is 1463132160, while the sum is 75.

The spelling of 20568086799474 in words is "twenty trillion, five hundred sixty-eight billion, eighty-six million, seven hundred ninety-nine thousand, four hundred seventy-four".