20004144004231 has 2 divisors, whose sum is σ = 20004144004232. Its totient is φ = 20004144004230.

The previous prime is 20004144004217. The next prime is 20004144004261. The reversal of 20004144004231 is 13240044140002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20004144004231 - 2⁵ = 20004144004199 is a prime.

It is a super-2 number, since 2×20004144004231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20004144004196 and 20004144004205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004144004211) by changing a digit.

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, 10002072002115 + 10002072002116.

It is an arithmetic number, because the mean of its divisors is an integer number (10002072002116).

Almost surely, 2^{20004144004231} is an apocalyptic number.

20004144004231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004144004231 is an equidigital number, since it uses as much as digits as its factorization.

20004144004231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20004144004231 its reverse (13240044140002), we get a palindrome (33244188144233).

The spelling of 20004144004231 in words is "twenty trillion, four billion, one hundred forty-four million, four thousand, two hundred thirty-one".