20064293 has 8 divisors (see below), whose sum is σ = 20653080. Its totient is φ = 19480320.

The previous prime is 20064281. The next prime is 20064311. The reversal of 20064293 is 39246002.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 19918369 = 382^2 + 4463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20064293 - 2⁴ = 20064277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20064203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321 + ... + 10457.

It is an arithmetic number, because the mean of its divisors is an integer number (2581635).

Almost surely, 2^20064293 is an apocalyptic number.

It is an amenable number.

20064293 is a deficient number, since it is larger than the sum of its proper divisors (588787).

20064293 is a wasteful number, since it uses less digits than its factorization.

20064293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20064293 is about 4479.3183633227. The cubic root of 20064293 is about 271.7323139599.

The spelling of 20064293 in words is "twenty million, sixty-four thousand, two hundred ninety-three".