2120443443 has 12 divisors (see below), whose sum is σ = 3064179040. Its totient is φ = 1413021456.

The previous prime is 2120443441. The next prime is 2120443447. The reversal of 2120443443 is 3443440212.

It is a happy number.

2120443443 is a `hidden beast` number, since 21 + 204 + 434 + 4 + 3 = 666.

It is not a de Polignac number, because 2120443443 - 2¹ = 2120443441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120443441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27988 + ... + 70881.

Almost surely, 2^2120443443 is an apocalyptic number.

2120443443 is a deficient number, since it is larger than the sum of its proper divisors (943735597).

2120443443 is a wasteful number, since it uses less digits than its factorization.

2120443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101258 (or 101255 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2120443443 is about 46048.2729643577. The cubic root of 2120443443 is about 1284.7212207945.

Adding to 2120443443 its reverse (3443440212), we get a palindrome (5563883655).

The spelling of 2120443443 in words is "two billion, one hundred twenty million, four hundred forty-three thousand, four hundred forty-three".