2120202223 has 4 divisors (see below), whose sum is σ = 2121199288. Its totient is φ = 2119205160.

The previous prime is 2120202199. The next prime is 2120202239. The reversal of 2120202223 is 3222020212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120202223 is a prime.

It is a super-3 number, since 3×2120202223³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120202197 and 2120202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120202283) 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, 495336 + ... + 499597.

It is an arithmetic number, because the mean of its divisors is an integer number (530299822).

Almost surely, 2^2120202223 is an apocalyptic number.

2120202223 is a deficient number, since it is larger than the sum of its proper divisors (997065).

2120202223 is an equidigital number, since it uses as much as digits as its factorization.

2120202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997064.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2120202223 is about 46045.6536819709. The cubic root of 2120202223 is about 1284.6725026509.

Adding to 2120202223 its reverse (3222020212), we get a palindrome (5342222435).

The spelling of 2120202223 in words is "two billion, one hundred twenty million, two hundred two thousand, two hundred twenty-three".