6820320012 has 24 divisors (see below), whose sum is σ = 17360814912. Its totient is φ = 2066763600.

The previous prime is 6820319921. The next prime is 6820320037. The reversal of 6820320012 is 2100230286.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25834414 + ... + 25834677.

It is an arithmetic number, because the mean of its divisors is an integer number (723367288).

Almost surely, 2^6820320012 is an apocalyptic number.

It is an amenable number.

6820320012 is an abundant number, since it is smaller than the sum of its proper divisors (10540494900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6820320012 is a wasteful number, since it uses less digits than its factorization.

6820320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51669109 (or 51669107 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6820320012 is about 82585.2287760953. The cubic root of 6820320012 is about 1896.4217058115.

Adding to 6820320012 its reverse (2100230286), we get a palindrome (8920550298).

The spelling of 6820320012 in words is "six billion, eight hundred twenty million, three hundred twenty thousand, twelve".