2120313203 has 4 divisors (see below), whose sum is σ = 2142172200. Its totient is φ = 2098454208.

The previous prime is 2120313199. The next prime is 2120313233. The reversal of 2120313203 is 3023130212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120313203 - 2² = 2120313199 is a prime.

It is a super-2 number, since 2×2120313203² = 8991456157632238418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120313233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10929353 + ... + 10929546.

It is an arithmetic number, because the mean of its divisors is an integer number (535543050).

Almost surely, 2^2120313203 is an apocalyptic number.

2120313203 is a deficient number, since it is larger than the sum of its proper divisors (21858997).

2120313203 is an equidigital number, since it uses as much as digits as its factorization.

2120313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21858996.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2120313203 is about 46046.8587745136. The cubic root of 2120313203 is about 1284.6949172528.

Adding to 2120313203 its reverse (3023130212), we get a palindrome (5143443415).

The spelling of 2120313203 in words is "two billion, one hundred twenty million, three hundred thirteen thousand, two hundred three".