20340232411 has 4 divisors (see below), whose sum is σ = 20396890800. Its totient is φ = 20283574024.

The previous prime is 20340232391. The next prime is 20340232421. The reversal of 20340232411 is 11423204302.

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 20340232411 - 2¹⁷ = 20340101339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340232421) 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, 28328656 + ... + 28329373.

It is an arithmetic number, because the mean of its divisors is an integer number (5099222700).

Almost surely, 2^20340232411 is an apocalyptic number.

20340232411 is a deficient number, since it is larger than the sum of its proper divisors (56658389).

20340232411 is an equidigital number, since it uses as much as digits as its factorization.

20340232411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56658388.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20340232411 its reverse (11423204302), we get a palindrome (31763436713).

The spelling of 20340232411 in words is "twenty billion, three hundred forty million, two hundred thirty-two thousand, four hundred eleven".