20323063 has 4 divisors (see below), whose sum is σ = 20412040. Its totient is φ = 20234088.

The previous prime is 20323057. The next prime is 20323067. The reversal of 20323063 is 36032302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20323063 - 2⁵ = 20323031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20323063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44145 + ... + 44602.

It is an arithmetic number, because the mean of its divisors is an integer number (5103010).

Almost surely, 2^20323063 is an apocalyptic number.

20323063 is a deficient number, since it is larger than the sum of its proper divisors (88977).

20323063 is an equidigital number, since it uses as much as digits as its factorization.

20323063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88976.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 20323063 is about 4508.1108016552. The cubic root of 20323063 is about 272.8955084996.

Adding to 20323063 its reverse (36032302), we get a palindrome (56355365).

The spelling of 20323063 in words is "twenty million, three hundred twenty-three thousand, sixty-three".