10020033209 has 2 divisors, whose sum is σ = 10020033210. Its totient is φ = 10020033208.

The previous prime is 10020033197. The next prime is 10020033239. The reversal of 10020033209 is 90233002001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9610861225 + 409171984 = 98035^2 + 20228^2 .

It is a cyclic number.

It is not a de Polignac number, because 10020033209 - 2²⁴ = 10003255993 is a prime.

It is not a weakly prime, because it can be changed into another prime (10020033239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010016604 + 5010016605.

It is an arithmetic number, because the mean of its divisors is an integer number (5010016605).

Almost surely, 2^10020033209 is an apocalyptic number.

It is an amenable number.

10020033209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020033209 is an equidigital number, since it uses as much as digits as its factorization.

10020033209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 10020033209 in words is "ten billion, twenty million, thirty-three thousand, two hundred nine".