20836288509992 has 64 divisors (see below), whose sum is σ = 40404427983360. Its totient is φ = 10063053619200.

The previous prime is 20836288509917. The next prime is 20836288510001. The reversal of 20836288509992 is 29990588263802.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526641203 + ... + 526680765.

It is an arithmetic number, because the mean of its divisors is an integer number (631319187240).

Almost surely, 2^{20836288509992} is an apocalyptic number.

It is an amenable number.

20836288509992 is a deficient number, since it is larger than the sum of its proper divisors (19568139473368).

20836288509992 is a wasteful number, since it uses less digits than its factorization.

20836288509992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43554 (or 43550 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 71.

The spelling of 20836288509992 in words is "twenty trillion, eight hundred thirty-six billion, two hundred eighty-eight million, five hundred nine thousand, nine hundred ninety-two".