20323222013251 has 2 divisors, whose sum is σ = 20323222013252. Its totient is φ = 20323222013250.

The previous prime is 20323222013197. The next prime is 20323222013261. The reversal of 20323222013251 is 15231022232302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323222013251 - 2⁷ = 20323222013123 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323222013261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161611006625 + 10161611006626.

It is an arithmetic number, because the mean of its divisors is an integer number (10161611006626).

Almost surely, 2^{20323222013251} is an apocalyptic number.

20323222013251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323222013251 is an equidigital number, since it uses as much as digits as its factorization.

20323222013251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20323222013251 its reverse (15231022232302), we get a palindrome (35554244245553).

The spelling of 20323222013251 in words is "twenty trillion, three hundred twenty-three billion, two hundred twenty-two million, thirteen thousand, two hundred fifty-one".