20122223351 has 2 divisors, whose sum is σ = 20122223352. Its totient is φ = 20122223350.

The previous prime is 20122223327. The next prime is 20122223357. The reversal of 20122223351 is 15332222102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122223351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122223357) 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 as a sum of consecutive naturals, namely, 10061111675 + 10061111676.

It is an arithmetic number, because the mean of its divisors is an integer number (10061111676).

Almost surely, 2^20122223351 is an apocalyptic number.

20122223351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122223351 is an equidigital number, since it uses as much as digits as its factorization.

20122223351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20122223351 its reverse (15332222102), we get a palindrome (35454445453).

The spelling of 20122223351 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred fifty-one".