2081850720 has 96 divisors (see below), whose sum is σ = 6571484640. Its totient is φ = 554004480.

The previous prime is 2081850713. The next prime is 2081850721. The reversal of 2081850720 is 270581802.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081850721) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 240060 + ... + 248580.

It is an arithmetic number, because the mean of its divisors is an integer number (68452965).

Almost surely, 2^2081850720 is an apocalyptic number.

2081850720 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 2081850720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3285742320).

2081850720 is an abundant number, since it is smaller than the sum of its proper divisors (4489633920).

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

2081850720 is a wasteful number, since it uses less digits than its factorization.

2081850720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048 (or 9040 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 2081850720 is about 45627.3023528676. The cubic root of 2081850720 is about 1276.8793446021.

The spelling of 2081850720 in words is "two billion, eighty-one million, eight hundred fifty thousand, seven hundred twenty".