2021144204 has 12 divisors (see below), whose sum is σ = 3549591528. Its totient is φ = 1006975200.

The previous prime is 2021144189. The next prime is 2021144207. The reversal of 2021144204 is 4024411202.

It is not an unprimeable number, because it can be changed into a prime (2021144207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897962 + ... + 900209.

It is an arithmetic number, because the mean of its divisors is an integer number (295799294).

Almost surely, 2^2021144204 is an apocalyptic number.

It is an amenable number.

2021144204 is a deficient number, since it is larger than the sum of its proper divisors (1528447324).

2021144204 is a wasteful number, since it uses less digits than its factorization.

2021144204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798456 (or 1798454 counting only the distinct ones).

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

The square root of 2021144204 is about 44957.1374088698. The cubic root of 2021144204 is about 1264.3454990414.

Adding to 2021144204 its reverse (4024411202), we get a palindrome (6045555406).

The spelling of 2021144204 in words is "two billion, twenty-one million, one hundred forty-four thousand, two hundred four".