2120222240 has 48 divisors (see below), whose sum is σ = 5035322880. Its totient is φ = 843636480.

The previous prime is 2120222213. The next prime is 2120222261. The reversal of 2120222240 is 422220212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4130 + ... + 65249.

It is an arithmetic number, because the mean of its divisors is an integer number (104902560).

Almost surely, 2^2120222240 is an apocalyptic number.

2120222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120222240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2517661440).

2120222240 is an abundant number, since it is smaller than the sum of its proper divisors (2915100640).

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

2120222240 is a wasteful number, since it uses less digits than its factorization.

2120222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69585 (or 69577 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2120222240 is about 46045.8710418209. The cubic root of 2120222240 is about 1284.6765455370.

Adding to 2120222240 its reverse (422220212), we get a palindrome (2542442452).

The spelling of 2120222240 in words is "two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred forty".