20041361 has 4 divisors (see below), whose sum is σ = 20063472. Its totient is φ = 20019252.

The previous prime is 20041327. The next prime is 20041369. The reversal of 20041361 is 16314002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16314002 = 2 ⋅8157001.

It is a cyclic number.

It is not a de Polignac number, because 20041361 - 2¹⁸ = 19779217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041369) 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, 9635 + ... + 11528.

It is an arithmetic number, because the mean of its divisors is an integer number (5015868).

Almost surely, 2^20041361 is an apocalyptic number.

It is an amenable number.

20041361 is a deficient number, since it is larger than the sum of its proper divisors (22111).

20041361 is an equidigital number, since it uses as much as digits as its factorization.

20041361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20041361 is about 4476.7578670283. The cubic root of 20041361 is about 271.6287511958.

Adding to 20041361 its reverse (16314002), we get a palindrome (36355363).

It can be divided in two parts, 20041 and 361, that added together give a palindrome (20402).

The spelling of 20041361 in words is "twenty million, forty-one thousand, three hundred sixty-one".