2120344430 has 32 divisors (see below), whose sum is σ = 3859303104. Its totient is φ = 838688256.

The previous prime is 2120344399. The next prime is 2120344441. The reversal of 2120344430 is 344430212.

It is a junction number, because it is equal to n+sod(n) for n = 2120344396 and 2120344405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 548384 + ... + 552236.

It is an arithmetic number, because the mean of its divisors is an integer number (120603222).

Almost surely, 2^2120344430 is an apocalyptic number.

2120344430 is a deficient number, since it is larger than the sum of its proper divisors (1738958674).

2120344430 is a wasteful number, since it uses less digits than its factorization.

2120344430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2120344430 is about 46047.1978517694. The cubic root of 2120344430 is about 1284.7012240210.

Adding to 2120344430 its reverse (344430212), we get a palindrome (2464774642).

The spelling of 2120344430 in words is "two billion, one hundred twenty million, three hundred forty-four thousand, four hundred thirty".