20236912 has 10 divisors (see below), whose sum is σ = 39209048. Its totient is φ = 10118448.

The previous prime is 20236901. The next prime is 20236921. The reversal of 20236912 is 21963202.

It is a happy number.

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, 632388 + ... + 632419.

Almost surely, 2^20236912 is an apocalyptic number.

It is an amenable number.

20236912 is a deficient number, since it is larger than the sum of its proper divisors (18972136).

20236912 is a wasteful number, since it uses less digits than its factorization.

20236912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264815 (or 1264809 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20236912 is about 4498.5455427282. The cubic root of 20236912 is about 272.5093541103.

The spelling of 20236912 in words is "twenty million, two hundred thirty-six thousand, nine hundred twelve".