20411443227313 has 2 divisors, whose sum is σ = 20411443227314. Its totient is φ = 20411443227312.

The previous prime is 20411443227269. The next prime is 20411443227319. The reversal of 20411443227313 is 31372234411402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17559049883904 + 2852393343409 = 4190352^2 + 1688903^2 .

It is a cyclic number.

It is not a de Polignac number, because 20411443227313 - 2¹³ = 20411443219121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20411443227319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205721613656 + 10205721613657.

It is an arithmetic number, because the mean of its divisors is an integer number (10205721613657).

Almost surely, 2^{20411443227313} is an apocalyptic number.

It is an amenable number.

20411443227313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411443227313 is an equidigital number, since it uses as much as digits as its factorization.

20411443227313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 20411443227313 its reverse (31372234411402), we get a palindrome (51783677638715).

The spelling of 20411443227313 in words is "twenty trillion, four hundred eleven billion, four hundred forty-three million, two hundred twenty-seven thousand, three hundred thirteen".