20424303233 has 2 divisors, whose sum is σ = 20424303234. Its totient is φ = 20424303232.

The previous prime is 20424303199. The next prime is 20424303241. The reversal of 20424303233 is 33230342402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17072819569 + 3351483664 = 130663^2 + 57892^2 .

It is a cyclic number.

It is not a de Polignac number, because 20424303233 - 2⁶ = 20424303169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20424303293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212151616 + 10212151617.

It is an arithmetic number, because the mean of its divisors is an integer number (10212151617).

Almost surely, 2^20424303233 is an apocalyptic number.

It is an amenable number.

20424303233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20424303233 is an equidigital number, since it uses as much as digits as its factorization.

20424303233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20424303233 its reverse (33230342402), we get a palindrome (53654645635).

The spelling of 20424303233 in words is "twenty billion, four hundred twenty-four million, three hundred three thousand, two hundred thirty-three".