2021333020 has 24 divisors (see below), whose sum is σ = 4851199584. Its totient is φ = 693028416.

The previous prime is 2021333011. The next prime is 2021333033. The reversal of 2021333020 is 203331202.

It is a junction number, because it is equal to n+sod(n) for n = 2021332985 and 2021333003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7218907 + ... + 7219186.

It is an arithmetic number, because the mean of its divisors is an integer number (202133316).

Almost surely, 2^2021333020 is an apocalyptic number.

2021333020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021333020 is an abundant number, since it is smaller than the sum of its proper divisors (2829866564).

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

2021333020 is a wasteful number, since it uses less digits than its factorization.

2021333020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438109 (or 14438107 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2021333020 is about 44959.2373155951. The cubic root of 2021333020 is about 1264.3848696820.

Adding to 2021333020 its reverse (203331202), we get a palindrome (2224664222).

The spelling of 2021333020 in words is "two billion, twenty-one million, three hundred thirty-three thousand, twenty".