2021443002 has 48 divisors (see below), whose sum is σ = 4479588360. Its totient is φ = 658559616.

The previous prime is 2021442991. The next prime is 2021443007. The reversal of 2021443002 is 2003441202.

2021443002 is a `hidden beast` number, since 20 + 214 + 430 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1115493201 + 905949801 = 33399^2 + 30099^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2021443007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252688 + ... + 260564.

Almost surely, 2^2021443002 is an apocalyptic number.

2021443002 is an abundant number, since it is smaller than the sum of its proper divisors (2458145358).

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

2021443002 is a wasteful number, since it uses less digits than its factorization.

2021443002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2021443002 is about 44960.4604291371. The cubic root of 2021443002 is about 1264.4078012579.

Adding to 2021443002 its reverse (2003441202), we get a palindrome (4024884204).

The spelling of 2021443002 in words is "two billion, twenty-one million, four hundred forty-three thousand, two".