2120320210 has 16 divisors (see below), whose sum is σ = 3948183000. Its totient is φ = 818882176.

The previous prime is 2120320177. The next prime is 2120320217. The reversal of 2120320210 is 120230212.

It can be written as a sum of positive squares in 4 ways, for example, as 983888689 + 1136431521 = 31367^2 + 33711^2 .

It is not an unprimeable number, because it can be changed into a prime (2120320217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655435 + ... + 3656014.

Almost surely, 2^2120320210 is an apocalyptic number.

2120320210 is a deficient number, since it is larger than the sum of its proper divisors (1827862790).

2120320210 is a wasteful number, since it uses less digits than its factorization.

2120320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311485.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120320210 is about 46046.9348599882. The cubic root of 2120320210 is about 1284.6963324286.

Adding to 2120320210 its reverse (120230212), we get a palindrome (2240550422).

The spelling of 2120320210 in words is "two billion, one hundred twenty million, three hundred twenty thousand, two hundred ten".