20300100133 has 2 divisors, whose sum is σ = 20300100134. Its totient is φ = 20300100132.

The previous prime is 20300100083. The next prime is 20300100203. The reversal of 20300100133 is 33100100302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19188344484 + 1111755649 = 138522^2 + 33343^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300100133 - 2³³ = 11710165541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20300100533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150050066 + 10150050067.

It is an arithmetic number, because the mean of its divisors is an integer number (10150050067).

Almost surely, 2^20300100133 is an apocalyptic number.

It is an amenable number.

20300100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300100133 is an equidigital number, since it uses as much as digits as its factorization.

20300100133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20300100133 its reverse (33100100302), we get a palindrome (53400200435).

The spelling of 20300100133 in words is "twenty billion, three hundred million, one hundred thousand, one hundred thirty-three".