20107845133 has 2 divisors, whose sum is σ = 20107845134. Its totient is φ = 20107845132.

The previous prime is 20107845071. The next prime is 20107845137. The reversal of 20107845133 is 33154870102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10598084809 + 9509760324 = 102947^2 + 97518^2 .

It is a cyclic number.

It is not a de Polignac number, because 20107845133 - 2²⁵ = 20074290701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20107845137) 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, 10053922566 + 10053922567.

It is an arithmetic number, because the mean of its divisors is an integer number (10053922567).

Almost surely, 2^20107845133 is an apocalyptic number.

It is an amenable number.

20107845133 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107845133 is an equidigital number, since it uses as much as digits as its factorization.

20107845133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 20107845133 in words is "twenty billion, one hundred seven million, eight hundred forty-five thousand, one hundred thirty-three".