20673232 has 40 divisors (see below), whose sum is σ = 42068736. Its totient is φ = 9830016.

The previous prime is 20673229. The next prime is 20673253. The reversal of 20673232 is 23237602.

It is a junction number, because it is equal to n+sod(n) for n = 20673197 and 20673206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27453 + ... + 28195.

Almost surely, 2^20673232 is an apocalyptic number.

It is an amenable number.

20673232 is an abundant number, since it is smaller than the sum of its proper divisors (21395504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20673232 is a wasteful number, since it uses less digits than its factorization.

20673232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20673232 is about 4546.7825987175. The cubic root of 20673232 is about 274.4539334752.

The spelling of 20673232 in words is "twenty million, six hundred seventy-three thousand, two hundred thirty-two".