20320341105 has 8 divisors (see below), whose sum is σ = 32512545792. Its totient is φ = 10837515248.

The previous prime is 20320341079. The next prime is 20320341109. The reversal of 20320341105 is 50114302302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20320341105 - 2⁸ = 20320340849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20320341109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677344689 + ... + 677344718.

It is an arithmetic number, because the mean of its divisors is an integer number (4064068224).

Almost surely, 2^20320341105 is an apocalyptic number.

It is an amenable number.

20320341105 is a deficient number, since it is larger than the sum of its proper divisors (12192204687).

20320341105 is a wasteful number, since it uses less digits than its factorization.

20320341105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354689415.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20320341105 its reverse (50114302302), we get a palindrome (70434643407).

The spelling of 20320341105 in words is "twenty billion, three hundred twenty million, three hundred forty-one thousand, one hundred five".