20333912 has 8 divisors (see below), whose sum is σ = 38126100. Its totient is φ = 10166952.

The previous prime is 20333899. The next prime is 20333941. The reversal of 20333912 is 21933302.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1270862 + ... + 1270877.

Almost surely, 2^20333912 is an apocalyptic number.

It is an amenable number.

20333912 is a deficient number, since it is larger than the sum of its proper divisors (17792188).

20333912 is a wasteful number, since it uses less digits than its factorization.

20333912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541745 (or 2541741 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 20333912 is about 4509.3139167727. The cubic root of 20333912 is about 272.9440595260.

The spelling of 20333912 in words is "twenty million, three hundred thirty-three thousand, nine hundred twelve".