20064916 has 6 divisors (see below), whose sum is σ = 35113610. Its totient is φ = 10032456.

The previous prime is 20064907. The next prime is 20064917. The reversal of 20064916 is 61946002.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 8976016 = 3330^2 + 2996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508111 + ... + 2508118.

Almost surely, 2^20064916 is an apocalyptic number.

It is an amenable number.

20064916 is a deficient number, since it is larger than the sum of its proper divisors (15048694).

20064916 is a wasteful number, since it uses less digits than its factorization.

20064916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016233 (or 5016231 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20064916 is about 4479.3879046138. The cubic root of 20064916 is about 271.7351263770.

The spelling of 20064916 in words is "twenty million, sixty-four thousand, nine hundred sixteen".