20966132 has 24 divisors (see below), whose sum is σ = 40515552. Its totient is φ = 9413600.

The previous prime is 20966131. The next prime is 20966147. The reversal of 20966132 is 23166902.

It is a junction number, because it is equal to n+sod(n) for n = 20966095 and 20966104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20966131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (1688148).

Almost surely, 2^20966132 is an apocalyptic number.

20966132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20966132 is a deficient number, since it is larger than the sum of its proper divisors (19549420).

20966132 is a wasteful number, since it uses less digits than its factorization.

20966132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 20966132 is about 4578.8789020895. The cubic root of 20966132 is about 275.7440215733.

It can be divided in two parts, 2096 and 6132, that added together give a palindrome (8228).

The spelling of 20966132 in words is "twenty million, nine hundred sixty-six thousand, one hundred thirty-two".