2105552320 has 28 divisors (see below), whose sum is σ = 5013847224. Its totient is φ = 842220800.

The previous prime is 2105552297. The next prime is 2105552321. The reversal of 2105552320 is 232555012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105552321) 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 3 ways as a sum of consecutive naturals, for example, 3289606 + ... + 3290245.

Almost surely, 2^2105552320 is an apocalyptic number.

2105552320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105552320 is an abundant number, since it is smaller than the sum of its proper divisors (2908294904).

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

2105552320 is an equidigital number, since it uses as much as digits as its factorization.

2105552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6579868 (or 6579858 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2105552320 is about 45886.2977369062. The cubic root of 2105552320 is about 1281.7067726295.

The spelling of 2105552320 in words is "two billion, one hundred five million, five hundred fifty-two thousand, three hundred twenty".