20334131297 has 4 divisors (see below), whose sum is σ = 20356020420. Its totient is φ = 20312242176.

The previous prime is 20334131291. The next prime is 20334131309. The reversal of 20334131297 is 79213143302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10222018816 + 10112112481 = 101104^2 + 100559^2 .

It is a cyclic number.

It is not a de Polignac number, because 20334131297 - 2²⁴ = 20317354081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334131291) 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 in 3 ways as a sum of consecutive naturals, for example, 10943168 + ... + 10945025.

It is an arithmetic number, because the mean of its divisors is an integer number (5089005105).

Almost surely, 2^20334131297 is an apocalyptic number.

It is an amenable number.

20334131297 is a deficient number, since it is larger than the sum of its proper divisors (21889123).

20334131297 is an equidigital number, since it uses as much as digits as its factorization.

20334131297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21889122.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 20334131297 its reverse (79213143302), we get a palindrome (99547274599).

The spelling of 20334131297 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, two hundred ninety-seven".