20601103 has 8 divisors (see below), whose sum is σ = 21013040. Its totient is φ = 20191680.

The previous prime is 20601079. The next prime is 20601157. The reversal of 20601103 is 30110602.

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

It is a cyclic number.

It is not a de Polignac number, because 20601103 - 2²¹ = 18503951 is a prime.

It is a super-3 number, since 3×20601103³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601173) 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, 27508 + ... + 28246.

It is an arithmetic number, because the mean of its divisors is an integer number (2626630).

Almost surely, 2^20601103 is an apocalyptic number.

20601103 is a deficient number, since it is larger than the sum of its proper divisors (411937).

20601103 is an equidigital number, since it uses as much as digits as its factorization.

20601103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 20601103 is about 4538.8437955056. The cubic root of 20601103 is about 274.1343711965.

Adding to 20601103 its reverse (30110602), we get a palindrome (50711705).

The spelling of 20601103 in words is "twenty million, six hundred one thousand, one hundred three".