20606041 has 4 divisors (see below), whose sum is σ = 21270784. Its totient is φ = 19941300.

The previous prime is 20606017. The next prime is 20606063. The reversal of 20606041 is 14060602.

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 20606041 - 2⁵ = 20606009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20606141) 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 3 ways as a sum of consecutive naturals, for example, 332325 + ... + 332386.

It is an arithmetic number, because the mean of its divisors is an integer number (5317696).

Almost surely, 2^20606041 is an apocalyptic number.

It is an amenable number.

20606041 is a deficient number, since it is larger than the sum of its proper divisors (664743).

20606041 is an equidigital number, since it uses as much as digits as its factorization.

20606041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664742.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20606041 is about 4539.3877340452. The cubic root of 20606041 is about 274.1562724087.

Adding to 20606041 its reverse (14060602), we get a palindrome (34666643).

The spelling of 20606041 in words is "twenty million, six hundred six thousand, forty-one".