20160444 has 24 divisors (see below), whose sum is σ = 49517440. Its totient is φ = 6366384.

The previous prime is 20160433. The next prime is 20160457. The reversal of 20160444 is 44406102.

It is a self number, because there is not a number n which added to its sum of digits gives 20160444.

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, 43984 + ... + 44439.

Almost surely, 2^20160444 is an apocalyptic number.

It is an amenable number.

20160444 is an abundant number, since it is smaller than the sum of its proper divisors (29356996).

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

20160444 is a wasteful number, since it uses less digits than its factorization.

20160444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88449 (or 88447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20160444 is about 4490.0383071863. The cubic root of 20160444 is about 272.1656826505.

Adding to 20160444 its reverse (44406102), we get a palindrome (64566546).

The spelling of 20160444 in words is "twenty million, one hundred sixty thousand, four hundred forty-four".