4440220020 has 72 divisors (see below), whose sum is σ = 13478040576. Its totient is φ = 1183234752.

The previous prime is 4440220007. The next prime is 4440220093. The reversal of 4440220020 is 200220444.

4440220020 is a `hidden beast` number, since 4 + 440 + 2 + 200 + 20 = 666.

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 = 4440219975 and 4440220002.

It is a congruent number.

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, 277149 + ... + 292731.

It is an arithmetic number, because the mean of its divisors is an integer number (187195008).

Almost surely, 2^4440220020 is an apocalyptic number.

It is an amenable number.

4440220020 is an abundant number, since it is smaller than the sum of its proper divisors (9037820556).

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

4440220020 is a wasteful number, since it uses less digits than its factorization.

4440220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17181 (or 17176 counting only the distinct ones).

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

The square root of 4440220020 is about 66634.9759510724. The cubic root of 4440220020 is about 1643.6203014283.

Adding to 4440220020 its reverse (200220444), we get a palindrome (4640440464).

The spelling of 4440220020 in words is "four billion, four hundred forty million, two hundred twenty thousand, twenty".