10020132509 has 2 divisors, whose sum is σ = 10020132510. Its totient is φ = 10020132508.

The previous prime is 10020132481. The next prime is 10020132553. The reversal of 10020132509 is 90523102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7633516900 + 2386615609 = 87370^2 + 48853^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020132509 - 2³² = 5725165213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020132709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010066254 + 5010066255.

It is an arithmetic number, because the mean of its divisors is an integer number (5010066255).

Almost surely, 2^10020132509 is an apocalyptic number.

It is an amenable number.

10020132509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020132509 is an equidigital number, since it uses as much as digits as its factorization.

10020132509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The spelling of 10020132509 in words is "ten billion, twenty million, one hundred thirty-two thousand, five hundred nine".