2120342210 has 24 divisors (see below), whose sum is σ = 4439737980. Its totient is φ = 726974304.

The previous prime is 2120342209. The next prime is 2120342219. The reversal of 2120342210 is 122430212.

It can be written as a sum of positive squares in 2 ways, for example, as 2115724009 + 4618201 = 45997^2 + 2149^2 .

It is not an unprimeable number, because it can be changed into a prime (2120342219) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2163125 + ... + 2164104.

Almost surely, 2^2120342210 is an apocalyptic number.

2120342210 is an abundant number, since it is smaller than the sum of its proper divisors (2319395770).

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

2120342210 is a wasteful number, since it uses less digits than its factorization.

2120342210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327250 (or 4327243 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2120342210 is about 46047.1737460618. The cubic root of 2120342210 is about 1284.7007756602.

Adding to 2120342210 its reverse (122430212), we get a palindrome (2242772422).

The spelling of 2120342210 in words is "two billion, one hundred twenty million, three hundred forty-two thousand, two hundred ten".