20004322 has 16 divisors (see below), whose sum is σ = 32401152. Its totient is φ = 9208080.

The previous prime is 20004311. The next prime is 20004323. The reversal of 20004322 is 22340002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20004323) by changing a digit.

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, 11983 + ... + 13549.

It is an arithmetic number, because the mean of its divisors is an integer number (2025072).

Almost surely, 2^20004322 is an apocalyptic number.

20004322 is a deficient number, since it is larger than the sum of its proper divisors (12396830).

20004322 is a wasteful number, since it uses less digits than its factorization.

20004322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20004322 is about 4472.6191431867. The cubic root of 20004322 is about 271.4613131061.

Adding to 20004322 its reverse (22340002), we get a palindrome (42344324).

The spelling of 20004322 in words is "twenty million, four thousand, three hundred twenty-two".