2120440203 has 24 divisors (see below), whose sum is σ = 3574891008. Its totient is φ = 1185898032.

The previous prime is 2120440199. The next prime is 2120440247. The reversal of 2120440203 is 3020440212.

2120440203 is a `hidden beast` number, since 2 + 1 + 20 + 440 + 203 = 666.

It is not a de Polignac number, because 2120440203 - 2² = 2120440199 is a prime.

It is a super-3 number, since 3×2120440203³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120440253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355101 + ... + 361022.

It is an arithmetic number, because the mean of its divisors is an integer number (148953792).

Almost surely, 2^2120440203 is an apocalyptic number.

2120440203 is a deficient number, since it is larger than the sum of its proper divisors (1454450805).

2120440203 is a wasteful number, since it uses less digits than its factorization.

2120440203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716183 (or 716180 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2120440203 is about 46048.2377838718. The cubic root of 2120440203 is about 1284.7205664505.

Adding to 2120440203 its reverse (3020440212), we get a palindrome (5140880415).

Subtracting 2120440203 from its reverse (3020440212), we obtain a palindrome (900000009).

The spelling of 2120440203 in words is "two billion, one hundred twenty million, four hundred forty thousand, two hundred three".