20323222351 has 2 divisors, whose sum is σ = 20323222352. Its totient is φ = 20323222350.

The previous prime is 20323222333. The next prime is 20323222363. The reversal of 20323222351 is 15322232302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20323222351 - 2¹⁹ = 20322698063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323222331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161611175 + 10161611176.

It is an arithmetic number, because the mean of its divisors is an integer number (10161611176).

Almost surely, 2^20323222351 is an apocalyptic number.

20323222351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323222351 is an equidigital number, since it uses as much as digits as its factorization.

20323222351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 20323222351 its reverse (15322232302), we get a palindrome (35645454653).

The spelling of 20323222351 in words is "twenty billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred fifty-one".