2102424200 has 24 divisors (see below), whose sum is σ = 4888136730. Its totient is φ = 840969600.

The previous prime is 2102424179. The next prime is 2102424253. The reversal of 2102424200 is 24242012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1765848484 + 336575716 = 42022^2 + 18346^2 .

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, 5255861 + ... + 5256260.

Almost surely, 2^2102424200 is an apocalyptic number.

2102424200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102424200 is an abundant number, since it is smaller than the sum of its proper divisors (2785712530).

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

2102424200 is a wasteful number, since it uses less digits than its factorization.

2102424200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512137 (or 10512128 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2102424200 is about 45852.1995110376. The cubic root of 2102424200 is about 1281.0717342306.

Adding to 2102424200 its reverse (24242012), we get a palindrome (2126666212).

The spelling of 2102424200 in words is "two billion, one hundred two million, four hundred twenty-four thousand, two hundred".