2089720800 has 216 divisors, whose sum is σ = 7549673040. Its totient is φ = 543590400.

The previous prime is 2089720793. The next prime is 2089720879. The reversal of 2089720800 is 80279802.

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

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 291661 + ... + 298739.

It is an arithmetic number, because the mean of its divisors is an integer number (34952190).

Almost surely, 2^2089720800 is an apocalyptic number.

2089720800 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 2089720800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3774836520).

2089720800 is an abundant number, since it is smaller than the sum of its proper divisors (5459952240).

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

2089720800 is a wasteful number, since it uses less digits than its factorization.

2089720800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7146 (or 7130 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2089720800 is about 45713.4640997595. The cubic root of 2089720800 is about 1278.4863291957.

The spelling of 2089720800 in words is "two billion, eighty-nine million, seven hundred twenty thousand, eight hundred".