20121033304 has 16 divisors (see below), whose sum is σ = 38181480120. Its totient is φ = 9939305280.

The previous prime is 20121033299. The next prime is 20121033319. The reversal of 20121033304 is 40333012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15150717 + ... + 15152044.

Almost surely, 2^20121033304 is an apocalyptic number.

It is an amenable number.

20121033304 is a deficient number, since it is larger than the sum of its proper divisors (18060446816).

20121033304 is a wasteful number, since it uses less digits than its factorization.

20121033304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30302850 (or 30302846 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20121033304 its reverse (40333012102), we get a palindrome (60454045406).

The spelling of 20121033304 in words is "twenty billion, one hundred twenty-one million, thirty-three thousand, three hundred four".