20300040110321 has 4 divisors (see below), whose sum is σ = 20351173713012. Its totient is φ = 20248906507632.

The previous prime is 20300040110299. The next prime is 20300040110359. The reversal of 20300040110321 is 12301104000302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18284389800625 + 2015650309696 = 4276025^2 + 1419736^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300040110321 - 2⁶ = 20300040110257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20300040110321.

It is not an unprimeable number, because it can be changed into a prime (20300040110621) 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, 25566800750 + ... + 25566801543.

It is an arithmetic number, because the mean of its divisors is an integer number (5087793428253).

Almost surely, 2^{20300040110321} is an apocalyptic number.

It is an amenable number.

20300040110321 is a deficient number, since it is larger than the sum of its proper divisors (51133602691).

20300040110321 is an equidigital number, since it uses as much as digits as its factorization.

20300040110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51133602690.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20300040110321 its reverse (12301104000302), we get a palindrome (32601144110623).

The spelling of 20300040110321 in words is "twenty trillion, three hundred billion, forty million, one hundred ten thousand, three hundred twenty-one".