2816535220 has 12 divisors (see below), whose sum is σ = 5914724004. Its totient is φ = 1126614080.

The previous prime is 2816535203. The next prime is 2816535251. The reversal of 2816535220 is 225356182.

It can be written as a sum of positive squares in 2 ways, for example, as 1484869156 + 1331666064 = 38534^2 + 36492^2 .

It is a super-3 number, since 3×2816535220³ (a number of 29 digits) contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 70413361 + ... + 70413400.

It is an arithmetic number, because the mean of its divisors is an integer number (492893667).

Almost surely, 2^2816535220 is an apocalyptic number.

2816535220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2816535220 is an abundant number, since it is smaller than the sum of its proper divisors (3098188784).

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

2816535220 is a wasteful number, since it uses less digits than its factorization.

2816535220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826770 (or 140826768 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2816535220 is about 53071.0393717704. The cubic root of 2816535220 is about 1412.2287940423.

The spelling of 2816535220 in words is "two billion, eight hundred sixteen million, five hundred thirty-five thousand, two hundred twenty".