20424221341 has 2 divisors, whose sum is σ = 20424221342. Its totient is φ = 20424221340.

The previous prime is 20424221317. The next prime is 20424221357. The reversal of 20424221341 is 14312242402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17411858116 + 3012363225 = 131954^2 + 54885^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424221341 - 2¹⁹ = 20423697053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20424321341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212110670 + 10212110671.

It is an arithmetic number, because the mean of its divisors is an integer number (10212110671).

Almost surely, 2^20424221341 is an apocalyptic number.

It is an amenable number.

20424221341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424221341 is an equidigital number, since it uses as much as digits as its factorization.

20424221341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20424221341 its reverse (14312242402), we get a palindrome (34736463743).

The spelling of 20424221341 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred forty-one".