20323133330113 has 4 divisors (see below), whose sum is σ = 20452580039380. Its totient is φ = 20193686620848.

The previous prime is 20323133329987. The next prime is 20323133330233. The reversal of 20323133330113 is 31103333132302.

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 2900999245824 + 17422134084289 = 1703232^2 + 4173983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323133330113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323133310113) 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, 64723354398 + ... + 64723354711.

It is an arithmetic number, because the mean of its divisors is an integer number (5113145009845).

Almost surely, 2^{20323133330113} is an apocalyptic number.

It is an amenable number.

20323133330113 is a deficient number, since it is larger than the sum of its proper divisors (129446709267).

20323133330113 is a wasteful number, since it uses less digits than its factorization.

20323133330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129446709266.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 20323133330113 its reverse (31103333132302), we get a palindrome (51426466462415).

The spelling of 20323133330113 in words is "twenty trillion, three hundred twenty-three billion, one hundred thirty-three million, three hundred thirty thousand, one hundred thirteen".