2110220240 has 20 divisors (see below), whose sum is σ = 4906262244. Its totient is φ = 844088064.

The previous prime is 2110220239. The next prime is 2110220243. The reversal of 2110220240 is 420220112.

It can be written as a sum of positive squares in 2 ways, for example, as 719526976 + 1390693264 = 26824^2 + 37292^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2110220240² = 8906058922611315200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110220243) 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, 13188797 + ... + 13188956.

Almost surely, 2^2110220240 is an apocalyptic number.

2110220240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110220240 is an abundant number, since it is smaller than the sum of its proper divisors (2796042004).

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

2110220240 is a wasteful number, since it uses less digits than its factorization.

2110220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26377766 (or 26377760 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2110220240 is about 45937.1335631643. The cubic root of 2110220240 is about 1282.6532366961.

Adding to 2110220240 its reverse (420220112), we get a palindrome (2530440352).

The spelling of 2110220240 in words is "two billion, one hundred ten million, two hundred twenty thousand, two hundred forty".