20443322 has 16 divisors (see below), whose sum is σ = 31802112. Its totient is φ = 9845760.

The previous prime is 20443301. The next prime is 20443331. The reversal of 20443322 is 22334402.

It is a junction number, because it is equal to n+sod(n) for n = 20443294 and 20443303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15293 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (1987632).

Almost surely, 2^20443322 is an apocalyptic number.

20443322 is a deficient number, since it is larger than the sum of its proper divisors (11358790).

20443322 is a wasteful number, since it uses less digits than its factorization.

20443322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20443322 is about 4521.4291988264. The cubic root of 20443322 is about 273.4327244467.

Adding to 20443322 its reverse (22334402), we get a palindrome (42777724).

The spelling of 20443322 in words is "twenty million, four hundred forty-three thousand, three hundred twenty-two".