2021304032 has 72 divisors (see below), whose sum is σ = 4564477008. Its totient is φ = 878789120.

The previous prime is 2021304023. The next prime is 2021304049. The reversal of 2021304032 is 2304031202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021304032.

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, 77708 + ... + 100404.

It is an arithmetic number, because the mean of its divisors is an integer number (63395514).

Almost surely, 2^2021304032 is an apocalyptic number.

2021304032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021304032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2282238504).

2021304032 is an abundant number, since it is smaller than the sum of its proper divisors (2543172976).

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

2021304032 is a wasteful number, since it uses less digits than its factorization.

2021304032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22752 (or 22733 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2021304032 is about 44958.9149335257. The cubic root of 2021304032 is about 1264.3788254588.

Adding to 2021304032 its reverse (2304031202), we get a palindrome (4325335234).

The spelling of 2021304032 in words is "two billion, twenty-one million, three hundred four thousand, thirty-two".