20334320342043 has 4 divisors (see below), whose sum is σ = 27112427122728. Its totient is φ = 13556213561360.

The previous prime is 20334320342033. The next prime is 20334320342111. The reversal of 20334320342043 is 34024302343302.

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

It is a cyclic number.

It is not a de Polignac number, because 20334320342043 - 2²⁰ = 20334319293467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20334320341995 and 20334320342013.

It is not an unprimeable number, because it can be changed into a prime (20334320342023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3389053390338 + ... + 3389053390343.

It is an arithmetic number, because the mean of its divisors is an integer number (6778106780682).

Almost surely, 2^{20334320342043} is an apocalyptic number.

20334320342043 is a deficient number, since it is larger than the sum of its proper divisors (6778106780685).

20334320342043 is an equidigital number, since it uses as much as digits as its factorization.

20334320342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778106780684.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 20334320342043 its reverse (34024302343302), we get a palindrome (54358622685345).

The spelling of 20334320342043 in words is "twenty trillion, three hundred thirty-four billion, three hundred twenty million, three hundred forty-two thousand, forty-three".