20340324311 has 16 divisors (see below), whose sum is σ = 21151222848. Its totient is φ = 19544985600.

The previous prime is 20340324299. The next prime is 20340324341. The reversal of 20340324311 is 11342304302.

It is a cyclic number.

It is not a de Polignac number, because 20340324311 - 2⁶ = 20340324247 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 (20340324341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3469895 + ... + 3475751.

It is an arithmetic number, because the mean of its divisors is an integer number (1321951428).

Almost surely, 2^20340324311 is an apocalyptic number.

20340324311 is a deficient number, since it is larger than the sum of its proper divisors (810898537).

20340324311 is a wasteful number, since it uses less digits than its factorization.

20340324311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20340324311 its reverse (11342304302), we get a palindrome (31682628613).

The spelling of 20340324311 in words is "twenty billion, three hundred forty million, three hundred twenty-four thousand, three hundred eleven".