20331104 has 12 divisors (see below), whose sum is σ = 40026924. Its totient is φ = 10165536.

The previous prime is 20331079. The next prime is 20331107. The reversal of 20331104 is 40113302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331107) by changing a digit.

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 as a sum of consecutive naturals, namely, 317642 + ... + 317705.

It is an arithmetic number, because the mean of its divisors is an integer number (3335577).

Almost surely, 2^20331104 is an apocalyptic number.

It is an amenable number.

20331104 is a deficient number, since it is larger than the sum of its proper divisors (19695820).

20331104 is an equidigital number, since it uses as much as digits as its factorization.

20331104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635357 (or 635349 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20331104 is about 4509.0025504539. The cubic root of 20331104 is about 272.9314949295.

Adding to 20331104 its reverse (40113302), we get a palindrome (60444406).

The spelling of 20331104 in words is "twenty million, three hundred thirty-one thousand, one hundred four".