20826821413360 has 40 divisors (see below), whose sum is σ = 50970905041680. Its totient is φ = 7892269166592.

The previous prime is 20826821413301. The next prime is 20826821413393. The reversal of 20826821413360 is 6331412862802.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 20826821413360.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6850926577 + ... + 6850929616.

It is an arithmetic number, because the mean of its divisors is an integer number (1274272626042).

Almost surely, 2^{20826821413360} is an apocalyptic number.

20826821413360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20826821413360 is an abundant number, since it is smaller than the sum of its proper divisors (30144083628320).

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

20826821413360 is a wasteful number, since it uses less digits than its factorization.

20826821413360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701856225 (or 13701856219 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 20826821413360 in words is "twenty trillion, eight hundred twenty-six billion, eight hundred twenty-one million, four hundred thirteen thousand, three hundred sixty".