2020535021 has 2 divisors, whose sum is σ = 2020535022. Its totient is φ = 2020535020.

The previous prime is 2020535003. The next prime is 2020535039. The reversal of 2020535021 is 1205350202.

It is a balanced prime because it is at equal distance from previous prime (2020535003) and next prime (2020535039).

It can be written as a sum of positive squares in only one way, i.e., 1128019396 + 892515625 = 33586^2 + 29875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020535021 - 2¹⁴ = 2020518637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020534984 and 2020535002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020537021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010267510 + 1010267511.

It is an arithmetic number, because the mean of its divisors is an integer number (1010267511).

Almost surely, 2^2020535021 is an apocalyptic number.

It is an amenable number.

2020535021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020535021 is an equidigital number, since it uses as much as digits as its factorization.

2020535021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2020535021 is about 44950.3617449293. The cubic root of 2020535021 is about 1264.2184595855.

Adding to 2020535021 its reverse (1205350202), we get a palindrome (3225885223).

The spelling of 2020535021 in words is "two billion, twenty million, five hundred thirty-five thousand, twenty-one".