20032122311 has 2 divisors, whose sum is σ = 20032122312. Its totient is φ = 20032122310.

The previous prime is 20032122277. The next prime is 20032122353. The reversal of 20032122311 is 11322123002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20032122311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20032122311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20032122811) 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, 10016061155 + 10016061156.

It is an arithmetic number, because the mean of its divisors is an integer number (10016061156).

Almost surely, 2^20032122311 is an apocalyptic number.

20032122311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032122311 is an equidigital number, since it uses as much as digits as its factorization.

20032122311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20032122311 its reverse (11322123002), we get a palindrome (31354245313).

The spelling of 20032122311 in words is "twenty billion, thirty-two million, one hundred twenty-two thousand, three hundred eleven".