8206366920 has 64 divisors (see below), whose sum is σ = 24625080000. Its totient is φ = 2187833088.

The previous prime is 8206366907. The next prime is 8206366967. The reversal of 8206366920 is 296636028.

It is a Cunningham number, because it is equal to 90589²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901351 + ... + 910409.

It is an arithmetic number, because the mean of its divisors is an integer number (384766875).

Almost surely, 2^8206366920 is an apocalyptic number.

It is an amenable number.

8206366920 is an abundant number, since it is smaller than the sum of its proper divisors (16418713080).

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

8206366920 is a wasteful number, since it uses less digits than its factorization.

8206366920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16622 (or 16618 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 8206366920 is about 90588.9999944806. Note that the first 5 decimals coincide. The cubic root of 8206366920 is about 2017.0514541436.

The spelling of 8206366920 in words is "eight billion, two hundred six million, three hundred sixty-six thousand, nine hundred twenty".