20130450133 has 2 divisors, whose sum is σ = 20130450134. Its totient is φ = 20130450132.

The previous prime is 20130450113. The next prime is 20130450139. The reversal of 20130450133 is 33105403102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19267383249 + 863066884 = 138807^2 + 29378^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130450133 - 2¹³ = 20130441941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20130450139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065225066 + 10065225067.

It is an arithmetic number, because the mean of its divisors is an integer number (10065225067).

Almost surely, 2^20130450133 is an apocalyptic number.

It is an amenable number.

20130450133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130450133 is an equidigital number, since it uses as much as digits as its factorization.

20130450133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20130450133 its reverse (33105403102), we get a palindrome (53235853235).

The spelling of 20130450133 in words is "twenty billion, one hundred thirty million, four hundred fifty thousand, one hundred thirty-three".