2020021135 has 16 divisors (see below), whose sum is σ = 2645938080. Its totient is φ = 1468247040.

The previous prime is 2020021121. The next prime is 2020021139. The reversal of 2020021135 is 5311200202.

It is not a de Polignac number, because 2020021135 - 2¹⁷ = 2019890063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020021139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93211 + ... + 112819.

It is an arithmetic number, because the mean of its divisors is an integer number (165371130).

Almost surely, 2^2020021135 is an apocalyptic number.

2020021135 is a deficient number, since it is larger than the sum of its proper divisors (625916945).

2020021135 is a wasteful number, since it uses less digits than its factorization.

2020021135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2020021135 is about 44944.6452316625. The cubic root of 2020021135 is about 1264.1112735770. Note that the first 3 decimals are identical.

Adding to 2020021135 its reverse (5311200202), we get a palindrome (7331221337).

The spelling of 2020021135 in words is "two billion, twenty million, twenty-one thousand, one hundred thirty-five".