20334342134111 has 4 divisors (see below), whose sum is σ = 20667692005224. Its totient is φ = 20000992263000.

The previous prime is 20334342134089. The next prime is 20334342134143. The reversal of 20334342134111 is 11143124343302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334342134111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334342134411) 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, 166674935465 + ... + 166674935586.

It is an arithmetic number, because the mean of its divisors is an integer number (5166923001306).

Almost surely, 2^{20334342134111} is an apocalyptic number.

20334342134111 is a deficient number, since it is larger than the sum of its proper divisors (333349871113).

20334342134111 is an equidigital number, since it uses as much as digits as its factorization.

20334342134111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333349871112.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20334342134111 its reverse (11143124343302), we get a palindrome (31477466477413).

The spelling of 20334342134111 in words is "twenty trillion, three hundred thirty-four billion, three hundred forty-two million, one hundred thirty-four thousand, one hundred eleven".