20682232 has 8 divisors (see below), whose sum is σ = 38779200. Its totient is φ = 10341112.

The previous prime is 20682199. The next prime is 20682247. The reversal of 20682232 is 23228602.

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

It is a junction number, because it is equal to n+sod(n) for n = 20682197 and 20682206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292632 + ... + 1292647.

It is an arithmetic number, because the mean of its divisors is an integer number (4847400).

Almost surely, 2^20682232 is an apocalyptic number.

It is an amenable number.

20682232 is a deficient number, since it is larger than the sum of its proper divisors (18096968).

20682232 is a wasteful number, since it uses less digits than its factorization.

20682232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585285 (or 2585281 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20682232 is about 4547.7722018588. The cubic root of 20682232 is about 274.4937551319.

The spelling of 20682232 in words is "twenty million, six hundred eighty-two thousand, two hundred thirty-two".