20340044002231 has 2 divisors, whose sum is σ = 20340044002232. Its totient is φ = 20340044002230.

The previous prime is 20340044002163. The next prime is 20340044002249. The reversal of 20340044002231 is 13220044004302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20340044002231 - 2²⁹ = 20339507131319 is a prime.

It is a super-2 number, since 2×20340044002231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20340044002196 and 20340044002205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20340044602231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170022001115 + 10170022001116.

It is an arithmetic number, because the mean of its divisors is an integer number (10170022001116).

Almost surely, 2^{20340044002231} is an apocalyptic number.

20340044002231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340044002231 is an equidigital number, since it uses as much as digits as its factorization.

20340044002231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20340044002231 its reverse (13220044004302), we get a palindrome (33560088006533).

The spelling of 20340044002231 in words is "twenty trillion, three hundred forty billion, forty-four million, two thousand, two hundred thirty-one".