202121332 has 24 divisors (see below), whose sum is σ = 421819776. Its totient is φ = 82856928.

The previous prime is 202121323. The next prime is 202121377. The reversal of 202121332 is 233121202.

202121332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156283 + ... + 157570.

It is an arithmetic number, because the mean of its divisors is an integer number (17575824).

Almost surely, 2^202121332 is an apocalyptic number.

It is an amenable number.

202121332 is an abundant number, since it is smaller than the sum of its proper divisors (219698444).

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

202121332 is a wasteful number, since it uses less digits than its factorization.

202121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313887 (or 313885 counting only the distinct ones).

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

The square root of 202121332 is about 14216.9382076451. The cubic root of 202121332 is about 586.8638844234.

Adding to 202121332 its reverse (233121202), we get a palindrome (435242534).

The spelling of 202121332 in words is "two hundred two million, one hundred twenty-one thousand, three hundred thirty-two".