2021332 has 24 divisors (see below), whose sum is σ = 3741696. Its totient is φ = 953568.

The previous prime is 2021321. The next prime is 2021333. The reversal of 2021332 is 2331202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11598 + ... + 11770.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

2^2021332 is an apocalyptic number.

It is an amenable number.

2021332 is a deficient number, since it is larger than the sum of its proper divisors (1720364).

2021332 is a wasteful number, since it uses less digits than its factorization.

2021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2021332 is about 1421.7355590967. The cubic root of 2021332 is about 126.4384657005.

Adding to 2021332 its reverse (2331202), we get a palindrome (4352534).

The spelling of 2021332 in words is "two million, twenty-one thousand, three hundred thirty-two".