20434422311 has 2 divisors, whose sum is σ = 20434422312. Its totient is φ = 20434422310.

The previous prime is 20434422293. The next prime is 20434422329. The reversal of 20434422311 is 11322443402.

It is a balanced prime because it is at equal distance from previous prime (20434422293) and next prime (20434422329).

It is a cyclic number.

It is not a de Polignac number, because 20434422311 - 2³⁰ = 19360680487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20434422361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217211155 + 10217211156.

It is an arithmetic number, because the mean of its divisors is an integer number (10217211156).

Almost surely, 2^20434422311 is an apocalyptic number.

20434422311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434422311 is an equidigital number, since it uses as much as digits as its factorization.

20434422311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20434422311 its reverse (11322443402), we get a palindrome (31756865713).

The spelling of 20434422311 in words is "twenty billion, four hundred thirty-four million, four hundred twenty-two thousand, three hundred eleven".