2120004320 has 48 divisors (see below), whose sum is σ = 5724014688. Its totient is φ = 726858240.

The previous prime is 2120004319. The next prime is 2120004353. The reversal of 2120004320 is 234000212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2120004295 and 2120004304.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 945311 + ... + 947550.

It is an arithmetic number, because the mean of its divisors is an integer number (119250306).

Almost surely, 2^2120004320 is an apocalyptic number.

2120004320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120004320 is an abundant number, since it is smaller than the sum of its proper divisors (3604010368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120004320 is a wasteful number, since it uses less digits than its factorization.

2120004320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892883 (or 1892875 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2120004320 is about 46043.5046450637. The cubic root of 2120004320 is about 1284.6325302919.

Adding to 2120004320 its reverse (234000212), we get a palindrome (2354004532).

The spelling of 2120004320 in words is "two billion, one hundred twenty million, four thousand, three hundred twenty".