20322028 has 24 divisors (see below), whose sum is σ = 37139984. Its totient is φ = 9720000.

The previous prime is 20322017. The next prime is 20322037. The reversal of 20322028 is 82022302.

It is a junction number, because it is equal to n+sod(n) for n = 20321996 and 20322014.

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, 7903 + ... + 10153.

Almost surely, 2^20322028 is an apocalyptic number.

It is an amenable number.

20322028 is a deficient number, since it is larger than the sum of its proper divisors (16817956).

20322028 is a wasteful number, since it uses less digits than its factorization.

20322028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 20322028 is about 4507.9960070967. The cubic root of 20322028 is about 272.8908758048.

The spelling of 20322028 in words is "twenty million, three hundred twenty-two thousand, twenty-eight".