20486108316799 has 16 divisors (see below), whose sum is σ = 21175425578880. Its totient is φ = 19808211852000.

The previous prime is 20486108316787. The next prime is 20486108316827. The reversal of 20486108316799 is 99761380168402.

It is a cyclic number.

It is not a de Polignac number, because 20486108316799 - 2³¹ = 20483960833151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20486108316799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486108316749) 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 15 ways as a sum of consecutive naturals, for example, 241850044 + ... + 241934734.

It is an arithmetic number, because the mean of its divisors is an integer number (1323464098680).

Almost surely, 2^{20486108316799} is an apocalyptic number.

20486108316799 is a deficient number, since it is larger than the sum of its proper divisors (689317262081).

20486108316799 is an equidigital number, since it uses as much as digits as its factorization.

20486108316799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152022.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 20486108316799 in words is "twenty trillion, four hundred eighty-six billion, one hundred eight million, three hundred sixteen thousand, seven hundred ninety-nine".