20333010133 has 2 divisors, whose sum is σ = 20333010134. Its totient is φ = 20333010132.

The previous prime is 20333010119. The next prime is 20333010179. The reversal of 20333010133 is 33101033302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19392790564 + 940219569 = 139258^2 + 30663^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333010133 - 2⁵ = 20333010101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20333010133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20393010133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166505066 + 10166505067.

It is an arithmetic number, because the mean of its divisors is an integer number (10166505067).

Almost surely, 2^20333010133 is an apocalyptic number.

It is an amenable number.

20333010133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333010133 is an equidigital number, since it uses as much as digits as its factorization.

20333010133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20333010133 its reverse (33101033302), we get a palindrome (53434043435).

The spelling of 20333010133 in words is "twenty billion, three hundred thirty-three million, ten thousand, one hundred thirty-three".