20320341113 has 4 divisors (see below), whose sum is σ = 20321575248. Its totient is φ = 20319106980.

The previous prime is 20320341109. The next prime is 20320341137. The reversal of 20320341113 is 31114302302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20320341113 - 2² = 20320341109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320341163) 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, 592031 + ... + 625412.

It is an arithmetic number, because the mean of its divisors is an integer number (5080393812).

Almost surely, 2^20320341113 is an apocalyptic number.

It is an amenable number.

20320341113 is a deficient number, since it is larger than the sum of its proper divisors (1234135).

20320341113 is a wasteful number, since it uses less digits than its factorization.

20320341113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234134.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20320341113 its reverse (31114302302), we get a palindrome (51434643415).

The spelling of 20320341113 in words is "twenty billion, three hundred twenty million, three hundred forty-one thousand, one hundred thirteen".