2108683820 has 24 divisors (see below), whose sum is σ = 4438341600. Its totient is φ = 841548672.

The previous prime is 2108683771. The next prime is 2108683823. The reversal of 2108683820 is 283868012.

It is not an unprimeable number, because it can be changed into a prime (2108683823) 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, 111305 + ... + 128864.

It is an arithmetic number, because the mean of its divisors is an integer number (184930900).

Almost surely, 2^2108683820 is an apocalyptic number.

2108683820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2108683820 is an abundant number, since it is smaller than the sum of its proper divisors (2329657780).

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

2108683820 is a wasteful number, since it uses less digits than its factorization.

2108683820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240617 (or 240615 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 2108683820 is about 45920.4074459276. The cubic root of 2108683820 is about 1282.3418675287.

The spelling of 2108683820 in words is "two billion, one hundred eight million, six hundred eighty-three thousand, eight hundred twenty".