20332441 has 4 divisors (see below), whose sum is σ = 20342452. Its totient is φ = 20322432.

The previous prime is 20332439. The next prime is 20332469. The reversal of 20332441 is 14423302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14423302 = 2 ⋅7211651.

It can be written as a sum of positive squares in 2 ways, for example, as 14280841 + 6051600 = 3779^2 + 2460^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332441 - 2¹ = 20332439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756 + ... + 6421.

It is an arithmetic number, because the mean of its divisors is an integer number (5085613).

Almost surely, 2^20332441 is an apocalyptic number.

It is an amenable number.

20332441 is a deficient number, since it is larger than the sum of its proper divisors (10011).

20332441 is an equidigital number, since it uses as much as digits as its factorization.

20332441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20332441 is about 4509.1508069702. The cubic root of 20332441 is about 272.9374775758.

Adding to 20332441 its reverse (14423302), we get a palindrome (34755743).

The spelling of 20332441 in words is "twenty million, three hundred thirty-two thousand, four hundred forty-one".