2020021053 has 4 divisors (see below), whose sum is σ = 2693361408. Its totient is φ = 1346680700.

The previous prime is 2020021009. The next prime is 2020021057. The reversal of 2020021053 is 3501200202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020021053 - 2¹⁰ = 2020020029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020021057) 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 3 ways as a sum of consecutive naturals, for example, 336670173 + ... + 336670178.

It is an arithmetic number, because the mean of its divisors is an integer number (673340352).

Almost surely, 2^2020021053 is an apocalyptic number.

It is an amenable number.

2020021053 is a deficient number, since it is larger than the sum of its proper divisors (673340355).

2020021053 is an equidigital number, since it uses as much as digits as its factorization.

2020021053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673340354.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020021053 is about 44944.6443194292. The cubic root of 2020021053 is about 1264.1112564721. Note that the first 3 decimals are identical.

Adding to 2020021053 its reverse (3501200202), we get a palindrome (5521221255).

The spelling of 2020021053 in words is "two billion, twenty million, twenty-one thousand, fifty-three".