20064573 has 24 divisors (see below), whose sum is σ = 30888000. Its totient is φ = 12507264.

The previous prime is 20064563. The next prime is 20064587. The reversal of 20064573 is 37546002.

It is a happy number.

20064573 is a `hidden beast` number, since 200 + 6 + 457 + 3 = 666.

It is not a de Polignac number, because 20064573 - 2⁶ = 20064509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30118 + ... + 30776.

It is an arithmetic number, because the mean of its divisors is an integer number (1287000).

Almost surely, 2^20064573 is an apocalyptic number.

It is an amenable number.

20064573 is a deficient number, since it is larger than the sum of its proper divisors (10823427).

20064573 is a wasteful number, since it uses less digits than its factorization.

20064573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20064573 is about 4479.3496179691. The cubic root of 20064573 is about 271.7335779748.

The spelling of 20064573 in words is "twenty million, sixty-four thousand, five hundred seventy-three".