30020320009 has 4 divisors (see below), whose sum is σ = 31786221204. Its totient is φ = 28254418816.

The previous prime is 30020320003. The next prime is 30020320027. The reversal of 30020320009 is 90002302003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22028496400 + 7991823609 = 148420^2 + 89397^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020320009 - 2²⁹ = 29483449097 is a prime.

It is a super-2 number, since 2×30020320009² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020320003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882950572 + ... + 882950605.

It is an arithmetic number, because the mean of its divisors is an integer number (7946555301).

Almost surely, 2^30020320009 is an apocalyptic number.

It is an amenable number.

30020320009 is a deficient number, since it is larger than the sum of its proper divisors (1765901195).

30020320009 is a wasteful number, since it uses less digits than its factorization.

30020320009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765901194.

The product of its (nonzero) digits is 324, while the sum is 19.

The spelling of 30020320009 in words is "thirty billion, twenty million, three hundred twenty thousand, nine".