2099686320 has 320 divisors, whose sum is σ = 7722362880. Its totient is φ = 522547200.

The previous prime is 2099686297. The next prime is 2099686343. The reversal of 2099686320 is 236869902.

2099686320 is a `hidden beast` number, since 2 + 0 + 9 + 9 + 6 + 8 + 632 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2099686297) and next prime (2099686343).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 63 ways as a sum of consecutive naturals, for example, 7747785 + ... + 7748055.

It is an arithmetic number, because the mean of its divisors is an integer number (24132384).

Almost surely, 2^2099686320 is an apocalyptic number.

2099686320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099686320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3861181440).

2099686320 is an abundant number, since it is smaller than the sum of its proper divisors (5622676560).

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

2099686320 is a wasteful number, since it uses less digits than its factorization.

2099686320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2099686320 is about 45822.3342923514. The cubic root of 2099686320 is about 1280.5154011661.

The spelling of 2099686320 in words is "two billion, ninety-nine million, six hundred eighty-six thousand, three hundred twenty".