20320332121223 has 2 divisors, whose sum is σ = 20320332121224. Its totient is φ = 20320332121222.

The previous prime is 20320332121211. The next prime is 20320332121259. The reversal of 20320332121223 is 32212123302302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320332121223 - 2⁴ = 20320332121207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20320332121192 and 20320332121201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320332121423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160166060611 + 10160166060612.

It is an arithmetic number, because the mean of its divisors is an integer number (10160166060612).

Almost surely, 2^{20320332121223} is an apocalyptic number.

20320332121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320332121223 is an equidigital number, since it uses as much as digits as its factorization.

20320332121223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20320332121223 its reverse (32212123302302), we get a palindrome (52532455423525).

The spelling of 20320332121223 in words is "twenty trillion, three hundred twenty billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".