2120013203 has 32 divisors (see below), whose sum is σ = 2803465728. Its totient is φ = 1552089600.

The previous prime is 2120013173. The next prime is 2120013209. The reversal of 2120013203 is 3023100212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2120013203 - 2⁶ = 2120013139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120013209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060601 + ... + 1062597.

It is an arithmetic number, because the mean of its divisors is an integer number (87608304).

Almost surely, 2^2120013203 is an apocalyptic number.

2120013203 is a deficient number, since it is larger than the sum of its proper divisors (683452525).

2120013203 is a wasteful number, since it uses less digits than its factorization.

2120013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120013203 is about 46043.6011080802. The cubic root of 2120013203 is about 1284.6343245295.

Adding to 2120013203 its reverse (3023100212), we get a palindrome (5143113415).

The spelling of 2120013203 in words is "two billion, one hundred twenty million, thirteen thousand, two hundred three".