20433222037 has 2 divisors, whose sum is σ = 20433222038. Its totient is φ = 20433222036.

The previous prime is 20433222031. The next prime is 20433222053. The reversal of 20433222037 is 73022233402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18030849841 + 2402372196 = 134279^2 + 49014^2 .

It is a cyclic number.

It is not a de Polignac number, because 20433222037 - 2⁷ = 20433221909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20433221996 and 20433222014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20433222031) 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, 10216611018 + 10216611019.

It is an arithmetic number, because the mean of its divisors is an integer number (10216611019).

Almost surely, 2^20433222037 is an apocalyptic number.

It is an amenable number.

20433222037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20433222037 is an equidigital number, since it uses as much as digits as its factorization.

20433222037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 28.

Adding to 20433222037 its reverse (73022233402), we get a palindrome (93455455439).

The spelling of 20433222037 in words is "twenty billion, four hundred thirty-three million, two hundred twenty-two thousand, thirty-seven".