2000105550 has 72 divisors (see below), whose sum is σ = 5380001640. Its totient is φ = 532728000.

The previous prime is 2000105543. The next prime is 2000105579. The reversal of 2000105550 is 555010002.

It is a super-2 number, since 2×2000105550² = 8000844422281605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 470836 + ... + 475064.

It is an arithmetic number, because the mean of its divisors is an integer number (74722245).

Almost surely, 2^2000105550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000105550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2690000820).

2000105550 is an abundant number, since it is smaller than the sum of its proper divisors (3379896090).

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

2000105550 is a wasteful number, since it uses less digits than its factorization.

2000105550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298 (or 5290 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 2000105550 is about 44722.5396193016. The cubic root of 2000105550 is about 1259.9432136161.

Adding to 2000105550 its reverse (555010002), we get a palindrome (2555115552).

The spelling of 2000105550 in words is "two billion, one hundred five thousand, five hundred fifty".