20234431333 has 2 divisors, whose sum is σ = 20234431334. Its totient is φ = 20234431332.

The previous prime is 20234431331. The next prime is 20234431403. The reversal of 20234431333 is 33313443202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19919652769 + 314778564 = 141137^2 + 17742^2 .

It is a cyclic number.

It is not a de Polignac number, because 20234431333 - 2¹ = 20234431331 is a prime.

It is a super-2 number, since 2×20234431333² (a number of 21 digits) contains 22 as substring.

Together with 20234431331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20234431331) 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, 10117215666 + 10117215667.

It is an arithmetic number, because the mean of its divisors is an integer number (10117215667).

Almost surely, 2^20234431333 is an apocalyptic number.

It is an amenable number.

20234431333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20234431333 is an equidigital number, since it uses as much as digits as its factorization.

20234431333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20234431333 its reverse (33313443202), we get a palindrome (53547874535).

The spelling of 20234431333 in words is "twenty billion, two hundred thirty-four million, four hundred thirty-one thousand, three hundred thirty-three".