2105098800 has 180 divisors, whose sum is σ = 7844504616. Its totient is φ = 481152000.

The previous prime is 2105098781. The next prime is 2105098817. The reversal of 2105098800 is 88905012.

It is a happy number.

It is a super-2 number, since 2×2105098800² = 8862881915522880000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40900 + ... + 76700.

Almost surely, 2^2105098800 is an apocalyptic number.

2105098800 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 2105098800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3922252308).

2105098800 is an abundant number, since it is smaller than the sum of its proper divisors (5739405816).

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

2105098800 is a wasteful number, since it uses less digits than its factorization.

2105098800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35836 (or 35818 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 2105098800 is about 45881.3556905199. The cubic root of 2105098800 is about 1281.6147427158.

The spelling of 2105098800 in words is "two billion, one hundred five million, ninety-eight thousand, eight hundred".