20043321350713 has 4 divisors (see below), whose sum is σ = 20071591198180. Its totient is φ = 20015051503248.

The previous prime is 20043321350621. The next prime is 20043321350771. The reversal of 20043321350713 is 31705312334002.

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 2287438455184 + 17755882895529 = 1512428^2 + 4213773^2 .

It is a cyclic number.

It is not a de Polignac number, because 20043321350713 - 2¹³ = 20043321342521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20043321350113) 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, 14134922670 + ... + 14134924087.

It is an arithmetic number, because the mean of its divisors is an integer number (5017897799545).

Almost surely, 2^{20043321350713} is an apocalyptic number.

It is an amenable number.

20043321350713 is a deficient number, since it is larger than the sum of its proper divisors (28269847467).

20043321350713 is an equidigital number, since it uses as much as digits as its factorization.

20043321350713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28269847466.

The product of its (nonzero) digits is 45360, while the sum is 34.

Adding to 20043321350713 its reverse (31705312334002), we get a palindrome (51748633684715).

The spelling of 20043321350713 in words is "twenty trillion, forty-three billion, three hundred twenty-one million, three hundred fifty thousand, seven hundred thirteen".