20356063 has 16 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 16037856.

The previous prime is 20356051. The next prime is 20356069. The reversal of 20356063 is 36065302.

It is a cyclic number.

It is not a de Polignac number, because 20356063 - 2¹⁷ = 20224991 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20356069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42258 + ... + 42736.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^20356063 is an apocalyptic number.

20356063 is a deficient number, since it is larger than the sum of its proper divisors (4803617).

20356063 is a wasteful number, since it uses less digits than its factorization.

20356063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 20356063 is about 4511.7693868371. The cubic root of 20356063 is about 273.0431352272.

The spelling of 20356063 in words is "twenty million, three hundred fifty-six thousand, sixty-three".