20334311273 has 2 divisors, whose sum is σ = 20334311274. Its totient is φ = 20334311272.

The previous prime is 20334311243. The next prime is 20334311311. The reversal of 20334311273 is 37211343302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10491290329 + 9843020944 = 102427^2 + 99212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334311273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20334311203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167155636 + 10167155637.

It is an arithmetic number, because the mean of its divisors is an integer number (10167155637).

Almost surely, 2^20334311273 is an apocalyptic number.

It is an amenable number.

20334311273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334311273 is an equidigital number, since it uses as much as digits as its factorization.

20334311273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 20334311273 its reverse (37211343302), we get a palindrome (57545654575).

The spelling of 20334311273 in words is "twenty billion, three hundred thirty-four million, three hundred eleven thousand, two hundred seventy-three".