20133441373 has 2 divisors, whose sum is σ = 20133441374. Its totient is φ = 20133441372.

The previous prime is 20133441337. The next prime is 20133441379. The reversal of 20133441373 is 37314433102.

Together with previous prime (20133441337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19634455129 + 498986244 = 140123^2 + 22338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133441373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133441379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066720686 + 10066720687.

It is an arithmetic number, because the mean of its divisors is an integer number (10066720687).

Almost surely, 2^20133441373 is an apocalyptic number.

It is an amenable number.

20133441373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133441373 is an equidigital number, since it uses as much as digits as its factorization.

20133441373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 31.

Adding to 20133441373 its reverse (37314433102), we get a palindrome (57447874475).

The spelling of 20133441373 in words is "twenty billion, one hundred thirty-three million, four hundred forty-one thousand, three hundred seventy-three".