4004403020 has 12 divisors (see below), whose sum is σ = 8409246384. Its totient is φ = 1601761200.

The previous prime is 4004403019. The next prime is 4004403031. The reversal of 4004403020 is 203044004.

It is a self number, because there is not a number n which added to its sum of digits gives 4004403020.

It is an unprimeable number.

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, 100110056 + ... + 100110095.

It is an arithmetic number, because the mean of its divisors is an integer number (700770532).

Almost surely, 2^4004403020 is an apocalyptic number.

It is an amenable number.

4004403020 is an abundant number, since it is smaller than the sum of its proper divisors (4404843364).

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

4004403020 is a wasteful number, since it uses less digits than its factorization.

4004403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200220160 (or 200220158 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4004403020 is about 63280.3525590684. The cubic root of 4004403020 is about 1587.9832849368.

Adding to 4004403020 its reverse (203044004), we get a palindrome (4207447024).

The spelling of 4004403020 in words is "four billion, four million, four hundred three thousand, twenty".