20443332223 has 12 divisors (see below), whose sum is σ = 20625188584. Its totient is φ = 20262884400.

The previous prime is 20443332191. The next prime is 20443332227. The reversal of 20443332223 is 32223334402.

It is not a de Polignac number, because 20443332223 - 2⁵ = 20443332191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20443332191 and 20443332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443332227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12074365 + ... + 12076057.

Almost surely, 2^20443332223 is an apocalyptic number.

20443332223 is a deficient number, since it is larger than the sum of its proper divisors (181856361).

20443332223 is an equidigital number, since it uses as much as digits as its factorization.

20443332223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20443332223 its reverse (32223334402), we get a palindrome (52666666625).

The spelling of 20443332223 in words is "twenty billion, four hundred forty-three million, three hundred thirty-two thousand, two hundred twenty-three".