2440222020 has 72 divisors (see below), whose sum is σ = 7412834520. Its totient is φ = 649774080.

The previous prime is 2440221989. The next prime is 2440222033. The reversal of 2440222020 is 202220442.

2440222020 is a `hidden beast` number, since 2 + 440 + 2 + 220 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 251666496 + 2188555524 = 15864^2 + 46782^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2440221984 and 2440222002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118060 + ... + 137180.

It is an arithmetic number, because the mean of its divisors is an integer number (102956035).

Almost surely, 2^2440222020 is an apocalyptic number.

2440222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440222020 is an abundant number, since it is smaller than the sum of its proper divisors (4972612500).

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

2440222020 is a wasteful number, since it uses less digits than its factorization.

2440222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845 (or 19840 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2440222020 is about 49398.6034215543. The cubic root of 2440222020 is about 1346.3039311837.

Adding to 2440222020 its reverse (202220442), we get a palindrome (2642442462).

The spelling of 2440222020 in words is "two billion, four hundred forty million, two hundred twenty-two thousand, twenty".