200000020009 has 4 divisors (see below), whose sum is σ = 200158877520. Its totient is φ = 199841162500.

The previous prime is 200000019899. The next prime is 200000020013. The reversal of 200000020009 is 900020000002.

200000020009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200000020009 - 2⁹ = 200000019497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200000020609) 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 in 3 ways as a sum of consecutive naturals, for example, 79426867 + ... + 79429384.

It is an arithmetic number, because the mean of its divisors is an integer number (50039719380).

Almost surely, 2^200000020009 is an apocalyptic number.

It is an amenable number.

200000020009 is a deficient number, since it is larger than the sum of its proper divisors (158857511).

200000020009 is a wasteful number, since it uses less digits than its factorization.

200000020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158857510.

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

The spelling of 200000020009 in words is "two hundred billion, twenty thousand, nine".