20326434113267 has 4 divisors (see below), whose sum is σ = 20327405714616. Its totient is φ = 20325462511920.

The previous prime is 20326434113213. The next prime is 20326434113327. The reversal of 20326434113267 is 76231143462302.

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

It is a cyclic number.

It is not a de Polignac number, because 20326434113267 - 2¹² = 20326434109171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20326434113207) 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, 485769293 + ... + 485811134.

It is an arithmetic number, because the mean of its divisors is an integer number (5081851428654).

Almost surely, 2^{20326434113267} is an apocalyptic number.

20326434113267 is a deficient number, since it is larger than the sum of its proper divisors (971601349).

20326434113267 is an equidigital number, since it uses as much as digits as its factorization.

20326434113267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971601348.

The product of its (nonzero) digits is 870912, while the sum is 44.

Adding to 20326434113267 its reverse (76231143462302), we get a palindrome (96557577575569).

The spelling of 20326434113267 in words is "twenty trillion, three hundred twenty-six billion, four hundred thirty-four million, one hundred thirteen thousand, two hundred sixty-seven".