6820007480 has 128 divisors (see below), whose sum is σ = 18275785920. Its totient is φ = 2257735680.

The previous prime is 6820007479. The next prime is 6820007501. The reversal of 6820007480 is 847000286.

It is a self number, because there is not a number n which added to its sum of digits gives 6820007480.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409394 + ... + 425726.

Almost surely, 2^6820007480 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 6820007480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9137892960).

6820007480 is an abundant number, since it is smaller than the sum of its proper divisors (11455778440).

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

6820007480 is a wasteful number, since it uses less digits than its factorization.

6820007480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16441 (or 16437 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6820007480 is about 82583.3365758492. The cubic root of 6820007480 is about 1896.3927383769.

The spelling of 6820007480 in words is "six billion, eight hundred twenty million, seven thousand, four hundred eighty".