20326064 has 30 divisors (see below), whose sum is σ = 43291500. Its totient is φ = 9238240.

The previous prime is 20326063. The next prime is 20326069. The reversal of 20326064 is 46062302.

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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3314 + ... + 7185.

It is an arithmetic number, because the mean of its divisors is an integer number (1443050).

Almost surely, 2^20326064 is an apocalyptic number.

It is an amenable number.

20326064 is an abundant number, since it is smaller than the sum of its proper divisors (22965436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20326064 is a wasteful number, since it uses less digits than its factorization.

20326064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10529 (or 10512 counting only the distinct ones).

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

The square root of 20326064 is about 4508.4436338941. The cubic root of 20326064 is about 272.9089401875.

Adding to 20326064 its reverse (46062302), we get a palindrome (66388366).

The spelling of 20326064 in words is "twenty million, three hundred twenty-six thousand, sixty-four".