20322322 has 4 divisors (see below), whose sum is σ = 30483486. Its totient is φ = 10161160.

The previous prime is 20322307. The next prime is 20322331. The reversal of 20322322 is 22322302.

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., 12809241 + 7513081 = 3579^2 + 2741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20322296 and 20322305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080579 + ... + 5080582.

Almost surely, 2^20322322 is an apocalyptic number.

20322322 is a deficient number, since it is larger than the sum of its proper divisors (10161164).

20322322 is a wasteful number, since it uses less digits than its factorization.

20322322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161163.

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

The square root of 20322322 is about 4508.0286157033. The cubic root of 20322322 is about 272.8921917747.

Adding to 20322322 its reverse (22322302), we get a palindrome (42644624).

The spelling of 20322322 in words is "twenty million, three hundred twenty-two thousand, three hundred twenty-two".