20826949444036 has 12 divisors (see below), whose sum is σ = 37703960200620. Its totient is φ = 10054389386720.

The previous prime is 20826949444033. The next prime is 20826949444061. The reversal of 20826949444036 is 63044494962802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3776243881536 + 17050705562500 = 1943256^2 + 4129250^2 .

It is not an unprimeable number, because it can be changed into a prime (20826949444033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89771333695 + ... + 89771333926.

It is an arithmetic number, because the mean of its divisors is an integer number (3141996683385).

Almost surely, 2^{20826949444036} is an apocalyptic number.

It is an amenable number.

20826949444036 is a deficient number, since it is larger than the sum of its proper divisors (16877010756584).

20826949444036 is a wasteful number, since it uses less digits than its factorization.

20826949444036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179542667654 (or 179542667652 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 61.

The spelling of 20826949444036 in words is "twenty trillion, eight hundred twenty-six billion, nine hundred forty-nine million, four hundred forty-four thousand, thirty-six".