20336441 has 4 divisors (see below), whose sum is σ = 21406800. Its totient is φ = 19266084.

The previous prime is 20336431. The next prime is 20336461. The reversal of 20336441 is 14463302.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 20336441 - 2¹⁴ = 20320057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20336401) 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, 535151 + ... + 535188.

It is an arithmetic number, because the mean of its divisors is an integer number (5351700).

Almost surely, 2^20336441 is an apocalyptic number.

It is an amenable number.

20336441 is a deficient number, since it is larger than the sum of its proper divisors (1070359).

20336441 is a wasteful number, since it uses less digits than its factorization.

20336441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070358.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20336441 is about 4509.5943276530. The cubic root of 20336441 is about 272.9553747272.

Adding to 20336441 its reverse (14463302), we get a palindrome (34799743).

The spelling of 20336441 in words is "twenty million, three hundred thirty-six thousand, four hundred forty-one".