20067440233 has 2 divisors, whose sum is σ = 20067440234. Its totient is φ = 20067440232.

The previous prime is 20067440171. The next prime is 20067440257. The reversal of 20067440233 is 33204476002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12264898009 + 7802542224 = 110747^2 + 88332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20067440233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20067440195 and 20067440204.

It is not a weakly prime, because it can be changed into another prime (20067443233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10033720116 + 10033720117.

It is an arithmetic number, because the mean of its divisors is an integer number (10033720117).

Almost surely, 2^20067440233 is an apocalyptic number.

It is an amenable number.

20067440233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20067440233 is an equidigital number, since it uses as much as digits as its factorization.

20067440233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 20067440233 in words is "twenty billion, sixty-seven million, four hundred forty thousand, two hundred thirty-three".