20441286 has 24 divisors (see below), whose sum is σ = 44372640. Its totient is φ = 6800976.

The previous prime is 20441269. The next prime is 20441347. The reversal of 20441286 is 68214402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18156 + ... + 19248.

It is an arithmetic number, because the mean of its divisors is an integer number (1848860).

Almost surely, 2^20441286 is an apocalyptic number.

20441286 is an abundant number, since it is smaller than the sum of its proper divisors (23931354).

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

20441286 is a wasteful number, since it uses less digits than its factorization.

20441286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20441286 is about 4521.2040431726. The cubic root of 20441286 is about 273.4236468693.

Adding to 20441286 its reverse (68214402), we get a palindrome (88655688).

The spelling of 20441286 in words is "twenty million, four hundred forty-one thousand, two hundred eighty-six".