20200000009 has 8 divisors (see below), whose sum is σ = 23297510720. Its totient is φ = 17155438416.

The previous prime is 20199999991. The next prime is 20200000013. The reversal of 20200000009 is 90000000202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20200000009 - 2²⁷ = 20065782281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200000019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13236459 + ... + 13237984.

It is an arithmetic number, because the mean of its divisors is an integer number (2912188840).

Almost surely, 2^20200000009 is an apocalyptic number.

It is an amenable number.

20200000009 is a deficient number, since it is larger than the sum of its proper divisors (3097510711).

20200000009 is a wasteful number, since it uses less digits than its factorization.

20200000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26474559.

The product of its (nonzero) digits is 36, while the sum is 13.

The spelling of 20200000009 in words is "twenty billion, two hundred million, nine", and thus it is an aban number.