20330321311 has 2 divisors, whose sum is σ = 20330321312. Its totient is φ = 20330321310.

The previous prime is 20330321293. The next prime is 20330321329. The reversal of 20330321311 is 11312303302.

It is a balanced prime because it is at equal distance from previous prime (20330321293) and next prime (20330321329).

It is a cyclic number.

It is not a de Polignac number, because 20330321311 - 2¹³ = 20330313119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330321911) 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, 10165160655 + 10165160656.

It is an arithmetic number, because the mean of its divisors is an integer number (10165160656).

Almost surely, 2^20330321311 is an apocalyptic number.

20330321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330321311 is an equidigital number, since it uses as much as digits as its factorization.

20330321311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20330321311 its reverse (11312303302), we get a palindrome (31642624613).

The spelling of 20330321311 in words is "twenty billion, three hundred thirty million, three hundred twenty-one thousand, three hundred eleven".