20593066 has 8 divisors (see below), whose sum is σ = 33265764. Its totient is φ = 9504480.

The previous prime is 20593063. The next prime is 20593121. The reversal of 20593066 is 66039502.

It can be written as a sum of positive squares in 2 ways, for example, as 20511841 + 81225 = 4529^2 + 285^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20593063) 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, 395995 + ... + 396046.

Almost surely, 2^20593066 is an apocalyptic number.

20593066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20593066 is a deficient number, since it is larger than the sum of its proper divisors (12672698).

20593066 is a wasteful number, since it uses less digits than its factorization.

20593066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792056.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 20593066 is about 4537.9583515057. The cubic root of 20593066 is about 274.0987176927.

The spelling of 20593066 in words is "twenty million, five hundred ninety-three thousand, sixty-six".