20204444 has 24 divisors (see below), whose sum is σ = 38464608. Its totient is φ = 9230400.

The previous prime is 20204417. The next prime is 20204477. The reversal of 20204444 is 44440202.

20204444 is a modest number, since divided by 4444 gives 2020 as remainder.

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, 3329 + ... + 7175.

It is an arithmetic number, because the mean of its divisors is an integer number (1602692).

Almost surely, 2^20204444 is an apocalyptic number.

It is an amenable number.

20204444 is a deficient number, since it is larger than the sum of its proper divisors (18260164).

20204444 is a wasteful number, since it uses less digits than its factorization.

20204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3963 counting only the distinct ones).

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

The square root of 20204444 is about 4494.9353721717. The cubic root of 20204444 is about 272.3635385541.

Adding to 20204444 its reverse (44440202), we get a palindrome (64644646).

The spelling of 20204444 in words is "twenty million, two hundred four thousand, four hundred forty-four".