20333221004444 has 6 divisors (see below), whose sum is σ = 35583136757784. Its totient is φ = 10166610502220.

The previous prime is 20333221004441. The next prime is 20333221004471. The reversal of 20333221004444 is 44440012233302.

It is a self number, because there is not a number n which added to its sum of digits gives 20333221004444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333221004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541652625552 + ... + 2541652625559.

It is an arithmetic number, because the mean of its divisors is an integer number (5930522792964).

Almost surely, 2^{20333221004444} is an apocalyptic number.

It is an amenable number.

20333221004444 is a deficient number, since it is larger than the sum of its proper divisors (15249915753340).

20333221004444 is a wasteful number, since it uses less digits than its factorization.

20333221004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083305251115 (or 5083305251113 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 20333221004444 its reverse (44440012233302), we get a palindrome (64773233237746).

The spelling of 20333221004444 in words is "twenty trillion, three hundred thirty-three billion, two hundred twenty-one million, four thousand, four hundred forty-four".