20016132 has 12 divisors (see below), whose sum is σ = 46704336. Its totient is φ = 6672040.

The previous prime is 20016131. The next prime is 20016133. The reversal of 20016132 is 23161002.

It is an interprime number because it is at equal distance from previous prime (20016131) and next prime (20016133).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20016131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833994 + ... + 834017.

It is an arithmetic number, because the mean of its divisors is an integer number (3892028).

Almost surely, 2^20016132 is an apocalyptic number.

It is an amenable number.

20016132 is an abundant number, since it is smaller than the sum of its proper divisors (26688204).

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

20016132 is a wasteful number, since it uses less digits than its factorization.

20016132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668018 (or 1668016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20016132 is about 4473.9392038784. The cubic root of 20016132 is about 271.5147236876.

Adding to 20016132 its reverse (23161002), we get a palindrome (43177134).

The spelling of 20016132 in words is "twenty million, sixteen thousand, one hundred thirty-two".