2021204144 has 40 divisors (see below), whose sum is σ = 4025804832. Its totient is φ = 982679040.

The previous prime is 2021204089. The next prime is 2021204147. The reversal of 2021204144 is 4414021202.

It is not an unprimeable number, because it can be changed into a prime (2021204147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70742 + ... + 95114.

Almost surely, 2^2021204144 is an apocalyptic number.

It is an amenable number.

2021204144 is a deficient number, since it is larger than the sum of its proper divisors (2004600688).

2021204144 is a wasteful number, since it uses less digits than its factorization.

2021204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24525 (or 24519 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2021204144 is about 44957.8040388985. The cubic root of 2021204144 is about 1264.3579975921.

Adding to 2021204144 its reverse (4414021202), we get a palindrome (6435225346).

The spelling of 2021204144 in words is "two billion, twenty-one million, two hundred four thousand, one hundred forty-four".