2020332011021 has 4 divisors (see below), whose sum is σ = 2029002964092. Its totient is φ = 2011661057952.

The previous prime is 2020332011011. The next prime is 2020332011053. The reversal of 2020332011021 is 1201102330202.

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 195160732900 + 1825171278121 = 441770^2 + 1350989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020332011021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020332011011) 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, 4335476186 + ... + 4335476651.

It is an arithmetic number, because the mean of its divisors is an integer number (507250741023).

Almost surely, 2^{2020332011021} is an apocalyptic number.

It is an amenable number.

2020332011021 is a deficient number, since it is larger than the sum of its proper divisors (8670953071).

2020332011021 is an equidigital number, since it uses as much as digits as its factorization.

2020332011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8670953070.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2020332011021 its reverse (1201102330202), we get a palindrome (3221434341223).

The spelling of 2020332011021 in words is "two trillion, twenty billion, three hundred thirty-two million, eleven thousand, twenty-one".