2099021760 has 336 divisors, whose sum is σ = 8016727680. Its totient is φ = 499783680.

The previous prime is 2099021753. The next prime is 2099021767. The reversal of 2099021760 is 671209902.

It is an interprime number because it is at equal distance from previous prime (2099021753) and next prime (2099021767).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099021767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1868559 + ... + 1869681.

Almost surely, 2^2099021760 is an apocalyptic number.

2099021760 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 2099021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4008363840).

2099021760 is an abundant number, since it is smaller than the sum of its proper divisors (5917705920).

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

2099021760 is a wasteful number, since it uses less digits than its factorization.

2099021760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2099021760 is about 45815.0822328194. The cubic root of 2099021760 is about 1280.3802906495.

The spelling of 2099021760 in words is "two billion, ninety-nine million, twenty-one thousand, seven hundred sixty".