6808253220 has 72 divisors (see below), whose sum is σ = 20680505664. Its totient is φ = 1813002048.

The previous prime is 6808253213. The next prime is 6808253227. The reversal of 6808253220 is 223528086.

It is an interprime number because it is at equal distance from previous prime (6808253213) and next prime (6808253227).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6808253227) 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 23 ways as a sum of consecutive naturals, for example, 104847 + ... + 156873.

Almost surely, 2^6808253220 is an apocalyptic number.

6808253220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6808253220 is an abundant number, since it is smaller than the sum of its proper divisors (13872252444).

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

6808253220 is a wasteful number, since it uses less digits than its factorization.

6808253220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52769 (or 52764 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 6808253220 is about 82512.1398340874. The cubic root of 6808253220 is about 1895.3026363680.

The spelling of 6808253220 in words is "six billion, eight hundred eight million, two hundred fifty-three thousand, two hundred twenty".