20324200441231 has 4 divisors (see below), whose sum is σ = 20324313219312. Its totient is φ = 20324087663152.

The previous prime is 20324200441229. The next prime is 20324200441277. The reversal of 20324200441231 is 13214400242302.

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 20324200441231 - 2¹ = 20324200441229 is a prime.

It is a super-2 number, since 2×20324200441231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20324200441231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324200441211) 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, 56118286 + ... + 56479291.

It is an arithmetic number, because the mean of its divisors is an integer number (5081078304828).

Almost surely, 2^{20324200441231} is an apocalyptic number.

20324200441231 is a deficient number, since it is larger than the sum of its proper divisors (112778081).

20324200441231 is a wasteful number, since it uses less digits than its factorization.

20324200441231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112778080.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20324200441231 its reverse (13214400242302), we get a palindrome (33538600683533).

The spelling of 20324200441231 in words is "twenty trillion, three hundred twenty-four billion, two hundred million, four hundred forty-one thousand, two hundred thirty-one".