20844575023312 has 10 divisors (see below), whose sum is σ = 40386364107698. Its totient is φ = 10422287511648.

The previous prime is 20844575023273. The next prime is 20844575023313. The reversal of 20844575023312 is 21332057544802.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20486631278656 + 357943744656 = 4526216^2 + 598284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20844575023313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651392969463 + ... + 651392969494.

Almost surely, 2^{20844575023312} is an apocalyptic number.

It is an amenable number.

20844575023312 is a deficient number, since it is larger than the sum of its proper divisors (19541789084386).

20844575023312 is a wasteful number, since it uses less digits than its factorization.

20844575023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302785938965 (or 1302785938959 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 20844575023312 in words is "twenty trillion, eight hundred forty-four billion, five hundred seventy-five million, twenty-three thousand, three hundred twelve".