8208668020 has 24 divisors (see below), whose sum is σ = 19700803584. Its totient is φ = 2814400416.

The previous prime is 8208668009. The next prime is 8208668063. The reversal of 8208668020 is 208668028.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29316532 + ... + 29316811.

It is an arithmetic number, because the mean of its divisors is an integer number (820866816).

Almost surely, 2^8208668020 is an apocalyptic number.

It is an amenable number.

8208668020 is an abundant number, since it is smaller than the sum of its proper divisors (11492135564).

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

8208668020 is a wasteful number, since it uses less digits than its factorization.

8208668020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58633359 (or 58633357 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 8208668020 is about 90601.6998736779. The cubic root of 8208668020 is about 2017.2399664450.

The spelling of 8208668020 in words is "eight billion, two hundred eight million, six hundred sixty-eight thousand, twenty".