20320210009 has 8 divisors (see below), whose sum is σ = 22214975328. Its totient is φ = 18433356960.

The previous prime is 20320209991. The next prime is 20320210019. The reversal of 20320210009 is 90001202302.

It is a happy number.

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 20320210009 - 2⁷ = 20320209881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20320210019) 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 7 ways as a sum of consecutive naturals, for example, 1972692 + ... + 1982965.

It is an arithmetic number, because the mean of its divisors is an integer number (2776871916).

Almost surely, 2^20320210009 is an apocalyptic number.

It is an amenable number.

20320210009 is a deficient number, since it is larger than the sum of its proper divisors (1894765319).

20320210009 is a wasteful number, since it uses less digits than its factorization.

20320210009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956135.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20320210009 in words is "twenty billion, three hundred twenty million, two hundred ten thousand, nine".