2105343200 has 36 divisors (see below), whose sum is σ = 5139671040. Its totient is φ = 842136960.

The previous prime is 2105343187. The next prime is 2105343277. The reversal of 2105343200 is 23435012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1315040 + ... + 1316639.

It is an arithmetic number, because the mean of its divisors is an integer number (142768640).

Almost surely, 2^2105343200 is an apocalyptic number.

2105343200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105343200 is an abundant number, since it is smaller than the sum of its proper divisors (3034327840).

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

2105343200 is a wasteful number, since it uses less digits than its factorization.

2105343200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631699 (or 2631686 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2105343200 is about 45884.0190044421. The cubic root of 2105343200 is about 1281.6643388871.

Adding to 2105343200 its reverse (23435012), we get a palindrome (2128778212).

The spelling of 2105343200 in words is "two billion, one hundred five million, three hundred forty-three thousand, two hundred".