20125333133 has 2 divisors, whose sum is σ = 20125333134. Its totient is φ = 20125333132.

The previous prime is 20125333099. The next prime is 20125333141. The reversal of 20125333133 is 33133352102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11927479369 + 8197853764 = 109213^2 + 90542^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125333133 - 2²⁴ = 20108555917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20125333633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062666566 + 10062666567.

It is an arithmetic number, because the mean of its divisors is an integer number (10062666567).

Almost surely, 2^20125333133 is an apocalyptic number.

It is an amenable number.

20125333133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125333133 is an equidigital number, since it uses as much as digits as its factorization.

20125333133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 26.

Adding to 20125333133 its reverse (33133352102), we get a palindrome (53258685235).

The spelling of 20125333133 in words is "twenty billion, one hundred twenty-five million, three hundred thirty-three thousand, one hundred thirty-three".