2120424443 has 8 divisors (see below), whose sum is σ = 2151396576. Its totient is φ = 2089483200.

The previous prime is 2120424431. The next prime is 2120424461. The reversal of 2120424443 is 3444240212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120424443 - 2¹⁶ = 2120358907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120424403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155405 + ... + 168497.

It is an arithmetic number, because the mean of its divisors is an integer number (268924572).

Almost surely, 2^2120424443 is an apocalyptic number.

2120424443 is a deficient number, since it is larger than the sum of its proper divisors (30972133).

2120424443 is a wasteful number, since it uses less digits than its factorization.

2120424443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15445.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2120424443 is about 46048.0666586557. The cubic root of 2120424443 is about 1284.7173835821.

Adding to 2120424443 its reverse (3444240212), we get a palindrome (5564664655).

The spelling of 2120424443 in words is "two billion, one hundred twenty million, four hundred twenty-four thousand, four hundred forty-three".