2021320132 has 24 divisors (see below), whose sum is σ = 3975039936. Its totient is φ = 892354848.

The previous prime is 2021320123. The next prime is 2021320139. The reversal of 2021320132 is 2310231202.

It is not an unprimeable number, because it can be changed into a prime (2021320139) 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, 843838 + ... + 846229.

It is an arithmetic number, because the mean of its divisors is an integer number (165626664).

Almost surely, 2^2021320132 is an apocalyptic number.

It is an amenable number.

2021320132 is a deficient number, since it is larger than the sum of its proper divisors (1953719804).

2021320132 is a wasteful number, since it uses less digits than its factorization.

2021320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690107 (or 1690105 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021320132 is about 44959.0939855331. The cubic root of 2021320132 is about 1264.3821824410.

Adding to 2021320132 its reverse (2310231202), we get a palindrome (4331551334).

The spelling of 2021320132 in words is "two billion, twenty-one million, three hundred twenty thousand, one hundred thirty-two".