20593073 has 4 divisors (see below), whose sum is σ = 21488448. Its totient is φ = 19697700.

The previous prime is 20593063. The next prime is 20593121. The reversal of 20593073 is 37039502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37039502 = 2 ⋅18519751.

It is a cyclic number.

It is not a de Polignac number, because 20593073 - 2⁴ = 20593057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20593033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447653 + ... + 447698.

It is an arithmetic number, because the mean of its divisors is an integer number (5372112).

Almost surely, 2^20593073 is an apocalyptic number.

20593073 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20593073 is a deficient number, since it is larger than the sum of its proper divisors (895375).

20593073 is an equidigital number, since it uses as much as digits as its factorization.

20593073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895374.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 20593073 is about 4537.9591227776. The cubic root of 20593073 is about 274.0987487500.

The spelling of 20593073 in words is "twenty million, five hundred ninety-three thousand, seventy-three".