200020201009 has 8 divisors (see below), whose sum is σ = 213010295400. Its totient is φ = 187166128896.

The previous prime is 200020201001. The next prime is 200020201027. The reversal of 200020201009 is 900102020002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 154716355600 + 45303845409 = 393340^2 + 212847^2 .

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

It is not a de Polignac number, because 200020201009 - 2³ = 200020201001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020200983 and 200020201001.

It is not an unprimeable number, because it can be changed into a prime (200020201001) 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, 34002534 + ... + 34008415.

It is an arithmetic number, because the mean of its divisors is an integer number (26626286925).

Almost surely, 2^200020201009 is an apocalyptic number.

It is an amenable number.

200020201009 is a deficient number, since it is larger than the sum of its proper divisors (12990094391).

200020201009 is a wasteful number, since it uses less digits than its factorization.

200020201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68011139.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 200020201009 in words is "two hundred billion, twenty million, two hundred one thousand, nine".