20466064 has 20 divisors (see below), whose sum is σ = 39747456. Its totient is φ = 10208672.

The previous prime is 20466053. The next prime is 20466071. The reversal of 20466064 is 46066402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777 + ... + 9319.

Almost surely, 2^20466064 is an apocalyptic number.

It is an amenable number.

20466064 is a deficient number, since it is larger than the sum of its proper divisors (19281392).

20466064 is a wasteful number, since it uses less digits than its factorization.

20466064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20466064 is about 4523.9434125550. The cubic root of 20466064 is about 273.5340795097.

The spelling of 20466064 in words is "twenty million, four hundred sixty-six thousand, sixty-four".