2816603220 has 24 divisors (see below), whose sum is σ = 7886489184. Its totient is φ = 751094176.

The previous prime is 2816603191. The next prime is 2816603269. The reversal of 2816603220 is 223066182.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 23471634 + ... + 23471753.

It is an arithmetic number, because the mean of its divisors is an integer number (328603716).

Almost surely, 2^2816603220 is an apocalyptic number.

2816603220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2816603220 is an abundant number, since it is smaller than the sum of its proper divisors (5069885964).

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

2816603220 is a wasteful number, since it uses less digits than its factorization.

2816603220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46943399 (or 46943397 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2816603220 is about 53071.6800186314. The cubic root of 2816603220 is about 1412.2401591627.

The spelling of 2816603220 in words is "two billion, eight hundred sixteen million, six hundred three thousand, two hundred twenty".