2686837220 has 12 divisors (see below), whose sum is σ = 5642358204. Its totient is φ = 1074734880.

The previous prime is 2686837213. The next prime is 2686837289. The reversal of 2686837220 is 227386862.

It can be written as a sum of positive squares in 2 ways, for example, as 1866931264 + 819905956 = 43208^2 + 28634^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67170911 + ... + 67170950.

It is an arithmetic number, because the mean of its divisors is an integer number (470196517).

Almost surely, 2^2686837220 is an apocalyptic number.

2686837220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686837220 is an abundant number, since it is smaller than the sum of its proper divisors (2955520984).

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

2686837220 is a wasteful number, since it uses less digits than its factorization.

2686837220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134341870 (or 134341868 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 2686837220 is about 51834.7105711993. The cubic root of 2686837220 is about 1390.2101402357.

The spelling of 2686837220 in words is "two billion, six hundred eighty-six million, eight hundred thirty-seven thousand, two hundred twenty".