20312440214441 has 2 divisors, whose sum is σ = 20312440214442. Its totient is φ = 20312440214440.

The previous prime is 20312440214399. The next prime is 20312440214447. The reversal of 20312440214441 is 14441204421302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20085455622400 + 226984592041 = 4481680^2 + 476429^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312440214441 - 2⁴² = 15914393703337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312440214398 and 20312440214407.

It is not a weakly prime, because it can be changed into another prime (20312440214447) 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, 10156220107220 + 10156220107221.

It is an arithmetic number, because the mean of its divisors is an integer number (10156220107221).

Almost surely, 2^{20312440214441} is an apocalyptic number.

It is an amenable number.

20312440214441 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312440214441 is an equidigital number, since it uses as much as digits as its factorization.

20312440214441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 20312440214441 its reverse (14441204421302), we get a palindrome (34753644635743).

The spelling of 20312440214441 in words is "twenty trillion, three hundred twelve billion, four hundred forty million, two hundred fourteen thousand, four hundred forty-one".