20675327 has 4 divisors (see below), whose sum is σ = 20937120. Its totient is φ = 20413536.

The previous prime is 20675309. The next prime is 20675351. The reversal of 20675327 is 72357602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72357602 = 2 ⋅36178801.

It is a cyclic number.

It is not a de Polignac number, because 20675327 - 2¹⁶ = 20609791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20675293 and 20675302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20675227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130778 + ... + 130935.

It is an arithmetic number, because the mean of its divisors is an integer number (5234280).

Almost surely, 2^20675327 is an apocalyptic number.

20675327 is a deficient number, since it is larger than the sum of its proper divisors (261793).

20675327 is an equidigital number, since it uses as much as digits as its factorization.

20675327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261792.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20675327 is about 4547.0129755698. The cubic root of 20675327 is about 274.4632041039.

The spelling of 20675327 in words is "twenty million, six hundred seventy-five thousand, three hundred twenty-seven".