2020321011021 has 16 divisors (see below), whose sum is σ = 2852355466944. Its totient is φ = 1267591257344.

The previous prime is 2020321011001. The next prime is 2020321011073. The reversal of 2020321011021 is 1201101230202.

It is a cyclic number.

It is not a de Polignac number, because 2020321011021 - 2¹³ = 2020321002829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124255 + ... + 2013971.

It is an arithmetic number, because the mean of its divisors is an integer number (178272216684).

Almost surely, 2^{2020321011021} is an apocalyptic number.

It is an amenable number.

2020321011021 is a deficient number, since it is larger than the sum of its proper divisors (832034455923).

2020321011021 is a wasteful number, since it uses less digits than its factorization.

2020321011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910700.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2020321011021 its reverse (1201101230202), we get a palindrome (3221422241223).

The spelling of 2020321011021 in words is "two trillion, twenty billion, three hundred twenty-one million, eleven thousand, twenty-one".