20012132 has 12 divisors (see below), whose sum is σ = 40024320. Its totient is φ = 8576616.

The previous prime is 20012119. The next prime is 20012171. The reversal of 20012132 is 23121002.

It is a happy number.

20012132 is an admirable number.

It is an unprimeable number.

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, 357332 + ... + 357387.

It is an arithmetic number, because the mean of its divisors is an integer number (3335360).

Almost surely, 2^20012132 is an apocalyptic number.

It is an amenable number.

20012132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012132 is a wasteful number, since it uses less digits than its factorization.

20012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714730 (or 714728 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20012132 is about 4473.4921481992. The cubic root of 20012132 is about 271.4966360896.

Adding to 20012132 its reverse (23121002), we get a palindrome (43133134).

The spelling of 20012132 in words is "twenty million, twelve thousand, one hundred thirty-two".