2044004020 has 24 divisors (see below), whose sum is σ = 4479035904. Its totient is φ = 782053536.

The previous prime is 2044003961. The next prime is 2044004047. The reversal of 2044004020 is 204004402.

It is a junction number, because it is equal to n+sod(n) for n = 2044003985 and 2044004003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221284 + ... + 2222203.

It is an arithmetic number, because the mean of its divisors is an integer number (186626496).

Almost surely, 2^2044004020 is an apocalyptic number.

2044004020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044004020 is an abundant number, since it is smaller than the sum of its proper divisors (2435031884).

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

2044004020 is a wasteful number, since it uses less digits than its factorization.

2044004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443519 (or 4443517 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2044004020 is about 45210.6626803899. The cubic root of 2044004020 is about 1269.0943633343.

Adding to 2044004020 its reverse (204004402), we get a palindrome (2248008422).

The spelling of 2044004020 in words is "two billion, forty-four million, four thousand, twenty".