20044480 has 28 divisors (see below), whose sum is σ = 47731680. Its totient is φ = 8017664.

The previous prime is 20044463. The next prime is 20044499. The reversal of 20044480 is 8444002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31000 + ... + 31639.

Almost surely, 2^20044480 is an apocalyptic number.

20044480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044480 is an abundant number, since it is smaller than the sum of its proper divisors (27687200).

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

20044480 is an equidigital number, since it uses as much as digits as its factorization.

20044480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62656 (or 62646 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 20044480 is about 4477.1062082555. The cubic root of 20044480 is about 271.6428414919.

Adding to 20044480 its reverse (8444002), we get a palindrome (28488482).

The spelling of 20044480 in words is "twenty million, forty-four thousand, four hundred eighty".