20323214 has 16 divisors (see below), whose sum is σ = 32199552. Its totient is φ = 9600888.

The previous prime is 20323201. The next prime is 20323267. The reversal of 20323214 is 41232302.

It is a junction number, because it is equal to n+sod(n) for n = 20323192 and 20323201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1157 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (2012472).

Almost surely, 2^20323214 is an apocalyptic number.

20323214 is a deficient number, since it is larger than the sum of its proper divisors (11876338).

20323214 is a wasteful number, since it uses less digits than its factorization.

20323214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20323214 is about 4508.1275492160. The cubic root of 20323214 is about 272.8961843676.

Adding to 20323214 its reverse (41232302), we get a palindrome (61555516).

The spelling of 20323214 in words is "twenty million, three hundred twenty-three thousand, two hundred fourteen".