20326061 has 8 divisors (see below), whose sum is σ = 23857920. Its totient is φ = 16951248.

The previous prime is 20326051. The next prime is 20326063. The reversal of 20326061 is 16062302.

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-20326061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326063) 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, 38981 + ... + 39498.

It is an arithmetic number, because the mean of its divisors is an integer number (2982240).

Almost surely, 2^20326061 is an apocalyptic number.

It is an amenable number.

20326061 is a deficient number, since it is larger than the sum of its proper divisors (3531859).

20326061 is an equidigital number, since it uses as much as digits as its factorization.

20326061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78523.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20326061 is about 4508.4433011850. The cubic root of 20326061 is about 272.9089267609.

Adding to 20326061 its reverse (16062302), we get a palindrome (36388363).

The spelling of 20326061 in words is "twenty million, three hundred twenty-six thousand, sixty-one".