20304041 has 8 divisors (see below), whose sum is σ = 21030240. Its totient is φ = 19589472.

The previous prime is 20304029. The next prime is 20304049. The reversal of 20304041 is 14040302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20304041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20304049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725 + ... + 6413.

It is an arithmetic number, because the mean of its divisors is an integer number (2628780).

Almost surely, 2^20304041 is an apocalyptic number.

It is an amenable number.

20304041 is a deficient number, since it is larger than the sum of its proper divisors (726199).

20304041 is an equidigital number, since it uses as much as digits as its factorization.

20304041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5815.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20304041 is about 4506.0005548158. Note that the first 3 decimals coincide. The cubic root of 20304041 is about 272.8103402556.

Adding to 20304041 its reverse (14040302), we get a palindrome (34344343).

The spelling of 20304041 in words is "twenty million, three hundred four thousand, forty-one".