20403224042041 has 2 divisors, whose sum is σ = 20403224042042. Its totient is φ = 20403224042040.

The previous prime is 20403224041943. The next prime is 20403224042081. The reversal of 20403224042041 is 14024042230402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13059340840441 + 7343883201600 = 3613771^2 + 2709960^2 .

It is a cyclic number.

It is not a de Polignac number, because 20403224042041 - 2¹³ = 20403224033849 is a prime.

It is not a weakly prime, because it can be changed into another prime (20403224042081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201612021020 + 10201612021021.

It is an arithmetic number, because the mean of its divisors is an integer number (10201612021021).

Almost surely, 2^{20403224042041} is an apocalyptic number.

It is an amenable number.

20403224042041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20403224042041 is an equidigital number, since it uses as much as digits as its factorization.

20403224042041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20403224042041 its reverse (14024042230402), we get a palindrome (34427266272443).

The spelling of 20403224042041 in words is "twenty trillion, four hundred three billion, two hundred twenty-four million, forty-two thousand, forty-one".