20424222241 has 2 divisors, whose sum is σ = 20424222242. Its totient is φ = 20424222240.

The previous prime is 20424222211. The next prime is 20424222253. The reversal of 20424222241 is 14222242402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20278899216 + 145323025 = 142404^2 + 12055^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424222241 - 2⁵ = 20424222209 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212111120 + 10212111121.

It is an arithmetic number, because the mean of its divisors is an integer number (10212111121).

Almost surely, 2^20424222241 is an apocalyptic number.

It is an amenable number.

20424222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424222241 is an equidigital number, since it uses as much as digits as its factorization.

20424222241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 20424222241 its reverse (14222242402), we get a palindrome (34646464643).

The spelling of 20424222241 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred forty-one".