20330112223 has 4 divisors (see below), whose sum is σ = 20337032520. Its totient is φ = 20323191928.

The previous prime is 20330112211. The next prime is 20330112227. The reversal of 20330112223 is 32221103302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330112223 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 20330112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330112227) 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, 3455740 + ... + 3461617.

It is an arithmetic number, because the mean of its divisors is an integer number (5084258130).

Almost surely, 2^20330112223 is an apocalyptic number.

20330112223 is a deficient number, since it is larger than the sum of its proper divisors (6920297).

20330112223 is an equidigital number, since it uses as much as digits as its factorization.

20330112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920296.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20330112223 its reverse (32221103302), we get a palindrome (52551215525).

The spelling of 20330112223 in words is "twenty billion, three hundred thirty million, one hundred twelve thousand, two hundred twenty-three".