20064308 has 12 divisors (see below), whose sum is σ = 38304672. Its totient is φ = 9120120.

The previous prime is 20064281. The next prime is 20064311. The reversal of 20064308 is 80346002.

It is a happy number.

It is a congruent number.

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, 227960 + ... + 228047.

It is an arithmetic number, because the mean of its divisors is an integer number (3192056).

Almost surely, 2^20064308 is an apocalyptic number.

It is an amenable number.

20064308 is a deficient number, since it is larger than the sum of its proper divisors (18240364).

20064308 is a wasteful number, since it uses less digits than its factorization.

20064308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456022 (or 456020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20064308 is about 4479.3200376843. The cubic root of 20064308 is about 271.7323816753.

The spelling of 20064308 in words is "twenty million, sixty-four thousand, three hundred eight".