20010000133 has 2 divisors, whose sum is σ = 20010000134. Its totient is φ = 20010000132.

The previous prime is 20010000097. The next prime is 20010000151. The reversal of 20010000133 is 33100001002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17292776004 + 2717224129 = 131502^2 + 52127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010000133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010000533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005000066 + 10005000067.

It is an arithmetic number, because the mean of its divisors is an integer number (10005000067).

Almost surely, 2^20010000133 is an apocalyptic number.

It is an amenable number.

20010000133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010000133 is an equidigital number, since it uses as much as digits as its factorization.

20010000133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20010000133 its reverse (33100001002), we get a palindrome (53110001135).

The spelling of 20010000133 in words is "twenty billion, ten million, one hundred thirty-three", and thus it is an aban number.