20201132 has 18 divisors (see below), whose sum is σ = 41124132. Its totient is φ = 8657544.

The previous prime is 20201113. The next prime is 20201141. The reversal of 20201132 is 23110202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51338 + ... + 51729.

It is an arithmetic number, because the mean of its divisors is an integer number (2284674).

Almost surely, 2^20201132 is an apocalyptic number.

It is an amenable number.

20201132 is an abundant number, since it is smaller than the sum of its proper divisors (20923000).

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

20201132 is a wasteful number, since it uses less digits than its factorization.

20201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103085 (or 103076 counting only the distinct ones).

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

The square root of 20201132 is about 4494.5669424317. The cubic root of 20201132 is about 272.3486554038.

Adding to 20201132 its reverse (23110202), we get a palindrome (43311334).

The spelling of 20201132 in words is "twenty million, two hundred one thousand, one hundred thirty-two".