6820243122 has 64 divisors (see below), whose sum is σ = 17041803264. Its totient is φ = 1767795840.

The previous prime is 6820243069. The next prime is 6820243147. The reversal of 6820243122 is 2213420286.

It is a self number, because there is not a number n which added to its sum of digits gives 6820243122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209838 + ... + 240150.

It is an arithmetic number, because the mean of its divisors is an integer number (266278176).

Almost surely, 2^6820243122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6820243122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8520901632).

6820243122 is an abundant number, since it is smaller than the sum of its proper divisors (10221560142).

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

6820243122 is a wasteful number, since it uses less digits than its factorization.

6820243122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30823.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6820243122 is about 82584.7632556999. The cubic root of 6820243122 is about 1896.4145792440.

It can be divided in two parts, 6820 and 243122, that added together give a palindrome (249942).

The spelling of 6820243122 in words is "six billion, eight hundred twenty million, two hundred forty-three thousand, one hundred twenty-two".