20334101311 has 4 divisors (see below), whose sum is σ = 20806987432. Its totient is φ = 19861215192.

The previous prime is 20334101297. The next prime is 20334101327. The reversal of 20334101311 is 11310143302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11310143302 = 2 ⋅5655071651.

It is a cyclic number.

It is not a de Polignac number, because 20334101311 - 2¹¹ = 20334099263 is a prime.

It is a super-2 number, since 2×20334101311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334101351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236442996 + ... + 236443081.

It is an arithmetic number, because the mean of its divisors is an integer number (5201746858).

Almost surely, 2^20334101311 is an apocalyptic number.

20334101311 is a deficient number, since it is larger than the sum of its proper divisors (472886121).

20334101311 is an equidigital number, since it uses as much as digits as its factorization.

20334101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472886120.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20334101311 its reverse (11310143302), we get a palindrome (31644244613).

The spelling of 20334101311 in words is "twenty billion, three hundred thirty-four million, one hundred one thousand, three hundred eleven".