2120421344 has 12 divisors (see below), whose sum is σ = 4174579584. Its totient is φ = 1060210656.

The previous prime is 2120421341. The next prime is 2120421349. The reversal of 2120421344 is 4431240212.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120421341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33131552 + ... + 33131615.

It is an arithmetic number, because the mean of its divisors is an integer number (347881632).

Almost surely, 2^2120421344 is an apocalyptic number.

It is an amenable number.

2120421344 is a deficient number, since it is larger than the sum of its proper divisors (2054158240).

2120421344 is an equidigital number, since it uses as much as digits as its factorization.

2120421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66263177 (or 66263169 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2120421344 is about 46048.0330090222. The cubic root of 2120421344 is about 1284.7167577103.

Adding to 2120421344 its reverse (4431240212), we get a palindrome (6551661556).

The spelling of 2120421344 in words is "two billion, one hundred twenty million, four hundred twenty-one thousand, three hundred forty-four".