4440220220 has 48 divisors (see below), whose sum is σ = 9514441440. Its totient is φ = 1740001536.

The previous prime is 4440220193. The next prime is 4440220229. The reversal of 4440220220 is 220220444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4440220192 and 4440220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440220229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816671 + ... + 822089.

It is an arithmetic number, because the mean of its divisors is an integer number (198217530).

Almost surely, 2^4440220220 is an apocalyptic number.

It is an amenable number.

4440220220 is an abundant number, since it is smaller than the sum of its proper divisors (5074221220).

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

4440220220 is a wasteful number, since it uses less digits than its factorization.

4440220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6254 (or 6252 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4440220220 is about 66634.9774517858. The cubic root of 4440220220 is about 1643.6203261061.

Adding to 4440220220 its reverse (220220444), we get a palindrome (4660440664).

The spelling of 4440220220 in words is "four billion, four hundred forty million, two hundred twenty thousand, two hundred twenty".