20344041444443 has 8 divisors (see below), whose sum is σ = 20393975925360. Its totient is φ = 20294107908480.

The previous prime is 20344041444373. The next prime is 20344041444451. The reversal of 20344041444443 is 34444414044302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20344041444443 - 2²⁴ = 20344024667227 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 20344041444443.

It is not an unprimeable number, because it can be changed into a prime (20344041494443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64776596 + ... + 65089902.

It is an arithmetic number, because the mean of its divisors is an integer number (2549246990670).

Almost surely, 2^{20344041444443} is an apocalyptic number.

20344041444443 is a deficient number, since it is larger than the sum of its proper divisors (49934480917).

20344041444443 is a wasteful number, since it uses less digits than its factorization.

20344041444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472477.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 20344041444443 its reverse (34444414044302), we get a palindrome (54788455488745).

The spelling of 20344041444443 in words is "twenty trillion, three hundred forty-four billion, forty-one million, four hundred forty-four thousand, four hundred forty-three".