10021332 has 24 divisors (see below), whose sum is σ = 23509696. Its totient is φ = 3322368.

The previous prime is 10021331. The next prime is 10021357. The reversal of 10021332 is 23312001.

It is a happy number.

10021332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021331) 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, 153 + ... + 4479.

Almost surely, 2^10021332 is an apocalyptic number.

10021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021332 is an abundant number, since it is smaller than the sum of its proper divisors (13488364).

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

10021332 is a wasteful number, since it uses less digits than its factorization.

10021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10021332 is about 3165.6487486770. The cubic root of 10021332 is about 215.5965548698.

Adding to 10021332 its reverse (23312001), we get a palindrome (33333333).

The spelling of 10021332 in words is "ten million, twenty-one thousand, three hundred thirty-two".