10020020000009 has 6 divisors (see below), whose sum is σ = 10644104290974. Its totient is φ = 9430607058560.

The previous prime is 10020019999999. The next prime is 10020020000027. The reversal of 10020020000009 is 90000002002001.

It can be written as a sum of positive squares in 3 ways, for example, as 2863608528400 + 7156411471609 = 1692220^2 + 2675147^2 .

It is not a de Polignac number, because 10020020000009 - 2³⁶ = 9951300523273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10020019999948 and 10020020000002.

It is not an unprimeable number, because it can be changed into a prime (10020020002009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17335674452 + ... + 17335675029.

It is an arithmetic number, because the mean of its divisors is an integer number (1774017381829).

Almost surely, 2^{10020020000009} is an apocalyptic number.

It is an amenable number.

10020020000009 is a deficient number, since it is larger than the sum of its proper divisors (624084290965).

10020020000009 is an equidigital number, since it uses as much as digits as its factorization.

10020020000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34671349515 (or 34671349498 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 10020020000009 in words is "ten trillion, twenty billion, twenty million, nine", and thus it is an aban number and an uban number.