2020333121 has 4 divisors (see below), whose sum is σ = 2020899012. Its totient is φ = 2019767232.

The previous prime is 2020333103. The next prime is 2020333127. The reversal of 2020333121 is 1213330202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1496838721 + 523494400 = 38689^2 + 22880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020333121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020333121.

It is not an unprimeable number, because it can be changed into a prime (2020333127) 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, 277556 + ... + 284741.

It is an arithmetic number, because the mean of its divisors is an integer number (505224753).

Almost surely, 2^2020333121 is an apocalyptic number.

It is an amenable number.

2020333121 is a deficient number, since it is larger than the sum of its proper divisors (565891).

2020333121 is an equidigital number, since it uses as much as digits as its factorization.

2020333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565890.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2020333121 is about 44948.1158781989. The cubic root of 2020333121 is about 1264.1763495822.

Adding to 2020333121 its reverse (1213330202), we get a palindrome (3233663323).

The spelling of 2020333121 in words is "two billion, twenty million, three hundred thirty-three thousand, one hundred twenty-one".