20683064 has 16 divisors (see below), whose sum is σ = 38967720. Its totient is φ = 10291680.

The previous prime is 20683063. The next prime is 20683123. The reversal of 20683064 is 46038602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20683063) 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, 4439 + ... + 7814.

Almost surely, 2^20683064 is an apocalyptic number.

It is an amenable number.

20683064 is a deficient number, since it is larger than the sum of its proper divisors (18284656).

20683064 is a wasteful number, since it uses less digits than its factorization.

20683064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12470 (or 12466 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20683064 is about 4547.8636742981. The cubic root of 20683064 is about 274.4974358395.

The spelling of 20683064 in words is "twenty million, six hundred eighty-three thousand, sixty-four".