20064593 has 2 divisors, whose sum is σ = 20064594. Its totient is φ = 20064592.

The previous prime is 20064587. The next prime is 20064631. The reversal of 20064593 is 39546002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15429184 + 4635409 = 3928^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 20064593 - 2¹² = 20060497 is a prime.

It is not a weakly prime, because it can be changed into another prime (20064523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032296 + 10032297.

It is an arithmetic number, because the mean of its divisors is an integer number (10032297).

Almost surely, 2^20064593 is an apocalyptic number.

It is an amenable number.

20064593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20064593 is an equidigital number, since it uses as much as digits as its factorization.

20064593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20064593 is about 4479.3518504355. The cubic root of 20064593 is about 271.7336682611.

The spelling of 20064593 in words is "twenty million, sixty-four thousand, five hundred ninety-three".