20886532 has 12 divisors (see below), whose sum is σ = 36682576. Its totient is φ = 10405800.

The previous prime is 20886521. The next prime is 20886539. The reversal of 20886532 is 23568802.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20886539) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8094 + ... + 10357.

Almost surely, 2^20886532 is an apocalyptic number.

It is an amenable number.

20886532 is a deficient number, since it is larger than the sum of its proper divisors (15796044).

20886532 is a wasteful number, since it uses less digits than its factorization.

20886532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18738 (or 18736 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 20886532 is about 4570.1785523106. The cubic root of 20886532 is about 275.3946158377.

The spelling of 20886532 in words is "twenty million, eight hundred eighty-six thousand, five hundred thirty-two".