8065485220 has 48 divisors (see below), whose sum is σ = 18869402160. Its totient is φ = 2875332096.

The previous prime is 8065485121. The next prime is 8065485221. The reversal of 8065485220 is 225845608.

It can be written as a sum of positive squares in 8 ways, for example, as 646074724 + 7419410496 = 25418^2 + 86136^2 .

It is not an unprimeable number, because it can be changed into a prime (8065485221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527307 + ... + 542386.

It is an arithmetic number, because the mean of its divisors is an integer number (393112545).

Almost surely, 2^8065485220 is an apocalyptic number.

It is an amenable number.

8065485220 is an abundant number, since it is smaller than the sum of its proper divisors (10803916940).

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

8065485220 is a wasteful number, since it uses less digits than its factorization.

8065485220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069744 (or 1069742 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 8065485220 is about 89808.0465214560. The cubic root of 8065485220 is about 2005.4422790335.

The spelling of 8065485220 in words is "eight billion, sixty-five million, four hundred eighty-five thousand, two hundred twenty".