20250444 has 24 divisors (see below), whose sum is σ = 47327728. Its totient is φ = 6739200.

The previous prime is 20250421. The next prime is 20250457. The reversal of 20250444 is 44405202.

It is a self number, because there is not a number n which added to its sum of digits gives 20250444.

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, 10344 + ... + 12144.

Almost surely, 2^20250444 is an apocalyptic number.

It is an amenable number.

20250444 is an abundant number, since it is smaller than the sum of its proper divisors (27077284).

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

20250444 is a wasteful number, since it uses less digits than its factorization.

20250444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 20250444 is about 4500.0493330629. The cubic root of 20250444 is about 272.5700810128.

Adding to 20250444 its reverse (44405202), we get a palindrome (64655646).

The spelling of 20250444 in words is "twenty million, two hundred fifty thousand, four hundred forty-four".