2021021332 has 24 divisors (see below), whose sum is σ = 3861551232. Its totient is φ = 917875200.

The previous prime is 2021021329. The next prime is 2021021351. The reversal of 2021021332 is 2331201202.

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, 35508 + ... + 72820.

It is an arithmetic number, because the mean of its divisors is an integer number (160897968).

Almost surely, 2^2021021332 is an apocalyptic number.

2021021332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2021021332 is a deficient number, since it is larger than the sum of its proper divisors (1840529900).

2021021332 is a wasteful number, since it uses less digits than its factorization.

2021021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38559 (or 38557 counting only the distinct ones).

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

The square root of 2021021332 is about 44955.7708420176. The cubic root of 2021021332 is about 1264.3198772825.

Adding to 2021021332 its reverse (2331201202), we get a palindrome (4352222534).

The spelling of 2021021332 in words is "two billion, twenty-one million, twenty-one thousand, three hundred thirty-two".