20334020293 has 2 divisors, whose sum is σ = 20334020294. Its totient is φ = 20334020292.

The previous prime is 20334020281. The next prime is 20334020323. The reversal of 20334020293 is 39202043302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14864974084 + 5469046209 = 121922^2 + 73953^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334020293 - 2²⁹ = 19797149381 is a prime.

It is a super-2 number, since 2×20334020293² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334020893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167010146 + 10167010147.

It is an arithmetic number, because the mean of its divisors is an integer number (10167010147).

Almost surely, 2^20334020293 is an apocalyptic number.

It is an amenable number.

20334020293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334020293 is an equidigital number, since it uses as much as digits as its factorization.

20334020293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 20334020293 its reverse (39202043302), we get a palindrome (59536063595).

The spelling of 20334020293 in words is "twenty billion, three hundred thirty-four million, twenty thousand, two hundred ninety-three".