20336241 has 8 divisors (see below), whose sum is σ = 27559744. Its totient is φ = 13335120.

The previous prime is 20336237. The next prime is 20336257. The reversal of 20336241 is 14263302.

It is a happy number.

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

It is not a de Polignac number, because 20336241 - 2² = 20336237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20336231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55381 + ... + 55746.

It is an arithmetic number, because the mean of its divisors is an integer number (3444968).

Almost surely, 2^20336241 is an apocalyptic number.

It is an amenable number.

20336241 is a deficient number, since it is larger than the sum of its proper divisors (7223503).

20336241 is a wasteful number, since it uses less digits than its factorization.

20336241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111191.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20336241 is about 4509.5721526548. The cubic root of 20336241 is about 272.9544799253.

Adding to 20336241 its reverse (14263302), we get a palindrome (34599543).

The spelling of 20336241 in words is "twenty million, three hundred thirty-six thousand, two hundred forty-one".