20322063 has 16 divisors (see below), whose sum is σ = 30293760. Its totient is φ = 13463928.

The previous prime is 20322061. The next prime is 20322073. The reversal of 20322063 is 36022302.

It is a Cunningham number, because it is equal to 4508²-1.

It is not a de Polignac number, because 20322063 - 2¹ = 20322061 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322061) 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 15 ways as a sum of consecutive naturals, for example, 2256 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (1893360).

Almost surely, 2^20322063 is an apocalyptic number.

20322063 is a deficient number, since it is larger than the sum of its proper divisors (9971697).

20322063 is a wasteful number, since it uses less digits than its factorization.

20322063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683 (or 4677 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20322063 is about 4507.9998890861. Note that the first 3 decimals coincide. The cubic root of 20322063 is about 272.8910324686.

Adding to 20322063 its reverse (36022302), we get a palindrome (56344365).

It can be divided in two parts, 2032 and 2063, that added together give a triangular number (4095 = T₉₀).

The spelling of 20322063 in words is "twenty million, three hundred twenty-two thousand, sixty-three".