20304322 has 8 divisors (see below), whose sum is σ = 30542400. Its totient is φ = 10123524.

The previous prime is 20304313. The next prime is 20304413. The reversal of 20304322 is 22340302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20304296 and 20304305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13422 + ... + 14857.

It is an arithmetic number, because the mean of its divisors is an integer number (3817800).

Almost surely, 2^20304322 is an apocalyptic number.

20304322 is a deficient number, since it is larger than the sum of its proper divisors (10238078).

20304322 is a wasteful number, since it uses less digits than its factorization.

20304322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28640.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20304322 is about 4506.0317353521. The cubic root of 20304322 is about 272.8115987793.

Adding to 20304322 its reverse (22340302), we get a palindrome (42644624).

The spelling of 20304322 in words is "twenty million, three hundred four thousand, three hundred twenty-two".