2021303232 has 84 divisors (see below), whose sum is σ = 6239393160. Its totient is φ = 621937152.

The previous prime is 2021303183. The next prime is 2021303287. The reversal of 2021303232 is 2323031202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127482 + ... + 142457.

It is an arithmetic number, because the mean of its divisors is an integer number (74278490).

Almost surely, 2^2021303232 is an apocalyptic number.

It is an amenable number.

2021303232 is an abundant number, since it is smaller than the sum of its proper divisors (4218089928).

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

2021303232 is a wasteful number, since it uses less digits than its factorization.

2021303232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269970 (or 269957 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2021303232 is about 44958.9060365129. The cubic root of 2021303232 is about 1264.3786586517.

Adding to 2021303232 its reverse (2323031202), we get a palindrome (4344334434).

The spelling of 2021303232 in words is "two billion, twenty-one million, three hundred three thousand, two hundred thirty-two".