20242173733 has 2 divisors, whose sum is σ = 20242173734. Its totient is φ = 20242173732.

The previous prime is 20242173719. The next prime is 20242173767. The reversal of 20242173733 is 33737124202.

It is an a-pointer prime, because the next prime (20242173767) can be obtained adding 20242173733 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19770328449 + 471845284 = 140607^2 + 21722^2 .

It is a cyclic number.

It is not a de Polignac number, because 20242173733 - 2⁵ = 20242173701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20242173703) 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, 10121086866 + 10121086867.

It is an arithmetic number, because the mean of its divisors is an integer number (10121086867).

Almost surely, 2^20242173733 is an apocalyptic number.

It is an amenable number.

20242173733 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242173733 is an equidigital number, since it uses as much as digits as its factorization.

20242173733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 20242173733 its reverse (33737124202), we get a palindrome (53979297935).

The spelling of 20242173733 in words is "twenty billion, two hundred forty-two million, one hundred seventy-three thousand, seven hundred thirty-three".