20765232 has 30 divisors (see below), whose sum is σ = 58114212. Its totient is φ = 6921696.

The previous prime is 20765231. The next prime is 20765237. The reversal of 20765232 is 23256702.

20765232 is a `hidden beast` number, since 2 + 0 + 7 + 652 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20765196 and 20765205.

It is not an unprimeable number, because it can be changed into a prime (20765231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71958 + ... + 72245.

Almost surely, 2^20765232 is an apocalyptic number.

It is an amenable number.

20765232 is an abundant number, since it is smaller than the sum of its proper divisors (37348980).

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

20765232 is a wasteful number, since it uses less digits than its factorization.

20765232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144217 (or 144208 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20765232 is about 4556.8884120637. Note that the first 3 decimals coincide. The cubic root of 20765232 is about 274.8604559245.

The spelling of 20765232 in words is "twenty million, seven hundred sixty-five thousand, two hundred thirty-two".