2120424433 has 4 divisors (see below), whose sum is σ = 2245155300. Its totient is φ = 1995693568.

The previous prime is 2120424431. The next prime is 2120424461. The reversal of 2120424433 is 3344240212.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 585978849 + 1534445584 = 24207^2 + 39172^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120424433 - 2¹ = 2120424431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120424398 and 2120424407.

It is not an unprimeable number, because it can be changed into a prime (2120424431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62365408 + ... + 62365441.

It is an arithmetic number, because the mean of its divisors is an integer number (561288825).

Almost surely, 2^2120424433 is an apocalyptic number.

It is an amenable number.

2120424433 is a deficient number, since it is larger than the sum of its proper divisors (124730867).

2120424433 is a wasteful number, since it uses less digits than its factorization.

2120424433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124730866.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2120424433 is about 46048.0665500735. The cubic root of 2120424433 is about 1284.7173815625.

Adding to 2120424433 its reverse (3344240212), we get a palindrome (5464664645).

The spelling of 2120424433 in words is "two billion, one hundred twenty million, four hundred twenty-four thousand, four hundred thirty-three".