20441000 has 32 divisors (see below), whose sum is σ = 47834280. Its totient is φ = 8176000.

The previous prime is 20440999. The next prime is 20441023. The reversal of 20441000 is 14402.

It can be written as a sum of positive squares in 4 ways, for example, as 9721924 + 10719076 = 3118^2 + 3274^2 .

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, 9221 + ... + 11220.

Almost surely, 2^20441000 is an apocalyptic number.

20441000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20441000 is an abundant number, since it is smaller than the sum of its proper divisors (27393280).

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

20441000 is a wasteful number, since it uses less digits than its factorization.

20441000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462 (or 20448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20441000 is about 4521.1724143191. The cubic root of 20441000 is about 273.4223716800.

Adding to 20441000 its reverse (14402), we get a palindrome (20455402).

The spelling of 20441000 in words is "twenty million, four hundred forty-one thousand".