20424303241 has 2 divisors, whose sum is σ = 20424303242. Its totient is φ = 20424303240.

The previous prime is 20424303233. The next prime is 20424303247. The reversal of 20424303241 is 14230342402.

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., 13137973641 + 7286329600 = 114621^2 + 85360^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424303241 - 2³ = 20424303233 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424303247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212151620 + 10212151621.

It is an arithmetic number, because the mean of its divisors is an integer number (10212151621).

Almost surely, 2^20424303241 is an apocalyptic number.

It is an amenable number.

20424303241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424303241 is an equidigital number, since it uses as much as digits as its factorization.

20424303241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20424303241 its reverse (14230342402), we get a palindrome (34654645643).

The spelling of 20424303241 in words is "twenty billion, four hundred twenty-four million, three hundred three thousand, two hundred forty-one".