6821230180 has 48 divisors (see below), whose sum is σ = 14695369920. Its totient is φ = 2658192768.

The previous prime is 6821230159. The next prime is 6821230181. The reversal of 6821230180 is 810321286.

It is not an unprimeable number, because it can be changed into a prime (6821230181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331431 + ... + 351409.

It is an arithmetic number, because the mean of its divisors is an integer number (306153540).

Almost surely, 2^6821230180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6821230180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7347684960).

6821230180 is an abundant number, since it is smaller than the sum of its proper divisors (7874139740).

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

6821230180 is a wasteful number, since it uses less digits than its factorization.

6821230180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428 (or 20426 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 6821230180 is about 82590.7390692201. The cubic root of 6821230180 is about 1896.5060608746.

The spelling of 6821230180 in words is "six billion, eight hundred twenty-one million, two hundred thirty thousand, one hundred eighty".