20322311147 has 2 divisors, whose sum is σ = 20322311148. Its totient is φ = 20322311146.

The previous prime is 20322311117. The next prime is 20322311171. The reversal of 20322311147 is 74111322302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20322311147 - 2¹⁶ = 20322245611 is a prime.

It is not a weakly prime, because it can be changed into another prime (20322311117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161155573 + 10161155574.

It is an arithmetic number, because the mean of its divisors is an integer number (10161155574).

Almost surely, 2^20322311147 is an apocalyptic number.

20322311147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322311147 is an equidigital number, since it uses as much as digits as its factorization.

20322311147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 20322311147 its reverse (74111322302), we get a palindrome (94433633449).

The spelling of 20322311147 in words is "twenty billion, three hundred twenty-two million, three hundred eleven thousand, one hundred forty-seven".