2820383266 has 16 divisors (see below), whose sum is σ = 4536138240. Its totient is φ = 1310437440.

The previous prime is 2820383263. The next prime is 2820383273. The reversal of 2820383266 is 6623830282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2820383261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522330 + ... + 527701.

It is an arithmetic number, because the mean of its divisors is an integer number (283508640).

Almost surely, 2^2820383266 is an apocalyptic number.

2820383266 is a deficient number, since it is larger than the sum of its proper divisors (1715754974).

2820383266 is a wasteful number, since it uses less digits than its factorization.

2820383266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050129.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2820383266 is about 53107.2807249627. The cubic root of 2820383266 is about 1412.8716463370.

The spelling of 2820383266 in words is "two billion, eight hundred twenty million, three hundred eighty-three thousand, two hundred sixty-six".