20326825084231 has 8 divisors (see below), whose sum is σ = 20354812632800. Its totient is φ = 20298850296480.

The previous prime is 20326825084169. The next prime is 20326825084339. The reversal of 20326825084231 is 13248052862302.

20326825084231 is a nontrivial binomial coefficient, being equal to C(6376022, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 5-Lehmer number, since φ(20326825084231) divides (20326825084231-1)⁵.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20326825084231 is a prime.

It is a super-4 number, since 4×20326825084231⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326825034231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 6376021.

It is an arithmetic number, because the mean of its divisors is an integer number (2544351579100).

Almost surely, 2^{20326825084231} is an apocalyptic number.

20326825084231 is the 6376021-st triangular number and also the 3188011-st hexagonal number.

20326825084231 is the 2851444-th centered pentagonal number and also the 2125341-st centered nonagonal number.

20326825084231 is a deficient number, since it is larger than the sum of its proper divisors (27987548569).

20326825084231 is an equidigital number, since it uses as much as digits as its factorization.

20326825084231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380409.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 20326825084231 in words is "twenty trillion, three hundred twenty-six billion, eight hundred twenty-five million, eighty-four thousand, two hundred thirty-one".