2120245303 has 16 divisors (see below), whose sum is σ = 2417456160. Its totient is φ = 1841817600.

The previous prime is 2120245297. The next prime is 2120245313. The reversal of 2120245303 is 3035420212.

It is a cyclic number.

It is not a de Polignac number, because 2120245303 - 2²⁹ = 1583374391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120245313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3318 + ... + 65203.

It is an arithmetic number, because the mean of its divisors is an integer number (151091010).

Almost surely, 2^2120245303 is an apocalyptic number.

2120245303 is a deficient number, since it is larger than the sum of its proper divisors (297210857).

2120245303 is a wasteful number, since it uses less digits than its factorization.

2120245303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68658.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2120245303 is about 46046.1214761895. The cubic root of 2120245303 is about 1284.6812036002.

Adding to 2120245303 its reverse (3035420212), we get a palindrome (5155665515).

The spelling of 2120245303 in words is "two billion, one hundred twenty million, two hundred forty-five thousand, three hundred three".