20003122 has 8 divisors (see below), whose sum is σ = 30972672. Its totient is φ = 9678900.

The previous prime is 20003117. The next prime is 20003131. The reversal of 20003122 is 22130002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20003099 and 20003108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161254 + ... + 161377.

It is an arithmetic number, because the mean of its divisors is an integer number (3871584).

Almost surely, 2^20003122 is an apocalyptic number.

20003122 is a deficient number, since it is larger than the sum of its proper divisors (10969550).

20003122 is a wasteful number, since it uses less digits than its factorization.

20003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322664.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20003122 is about 4472.4849915902. The cubic root of 20003122 is about 271.4558849443.

Adding to 20003122 its reverse (22130002), we get a palindrome (42133124).

The spelling of 20003122 in words is "twenty million, three thousand, one hundred twenty-two".