20416322 has 4 divisors (see below), whose sum is σ = 30624486. Its totient is φ = 10208160.

The previous prime is 20416313. The next prime is 20416339. The reversal of 20416322 is 22361402.

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

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 4583881 = 3979^2 + 2141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20416294 and 20416303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5104079 + ... + 5104082.

Almost surely, 2^20416322 is an apocalyptic number.

20416322 is a deficient number, since it is larger than the sum of its proper divisors (10208164).

20416322 is a wasteful number, since it uses less digits than its factorization.

20416322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208163.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20416322 is about 4518.4424307498. The cubic root of 20416322 is about 273.3122949634.

Adding to 20416322 its reverse (22361402), we get a palindrome (42777724).

The spelling of 20416322 in words is "twenty million, four hundred sixteen thousand, three hundred twenty-two".