20326824303538 has 4 divisors (see below), whose sum is σ = 30490236455310. Its totient is φ = 10163412151768.

The previous prime is 20326824303517. The next prime is 20326824303553. The reversal of 20326824303538 is 83530342862302.

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

It can be written as a sum of positive squares in only one way, i.e., 15683001871329 + 4643822432209 = 3960177^2 + 2154953^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20326824303491 and 20326824303500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081706075883 + ... + 5081706075886.

Almost surely, 2^{20326824303538} is an apocalyptic number.

20326824303538 is a deficient number, since it is larger than the sum of its proper divisors (10163412151772).

20326824303538 is a wasteful number, since it uses less digits than its factorization.

20326824303538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163412151771.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 20326824303538 in words is "twenty trillion, three hundred twenty-six billion, eight hundred twenty-four million, three hundred three thousand, five hundred thirty-eight".