20224321044321 has 4 divisors (see below), whose sum is σ = 26965761392432. Its totient is φ = 13482880696212.

The previous prime is 20224321044307. The next prime is 20224321044377. The reversal of 20224321044321 is 12344012342202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20224321044321 - 2¹¹ = 20224321042273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20224321049321) 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, 3370720174051 + ... + 3370720174056.

It is an arithmetic number, because the mean of its divisors is an integer number (6741440348108).

Almost surely, 2^{20224321044321} is an apocalyptic number.

It is an amenable number.

20224321044321 is a deficient number, since it is larger than the sum of its proper divisors (6741440348111).

20224321044321 is an equidigital number, since it uses as much as digits as its factorization.

20224321044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741440348110.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20224321044321 its reverse (12344012342202), we get a palindrome (32568333386523).

The spelling of 20224321044321 in words is "twenty trillion, two hundred twenty-four billion, three hundred twenty-one million, forty-four thousand, three hundred twenty-one".