2020021213 has 16 divisors (see below), whose sum is σ = 2345635584. Its totient is φ = 1703761920.

The previous prime is 2020021181. The next prime is 2020021219. The reversal of 2020021213 is 3121200202.

It is not a de Polignac number, because 2020021213 - 2⁵ = 2020021181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020021193 and 2020021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020021219) 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, 273181 + ... + 280477.

It is an arithmetic number, because the mean of its divisors is an integer number (146602224).

Almost surely, 2^2020021213 is an apocalyptic number.

It is an amenable number.

2020021213 is a deficient number, since it is larger than the sum of its proper divisors (325614371).

2020021213 is an equidigital number, since it uses as much as digits as its factorization.

2020021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020021213 is about 44944.6460993965. The cubic root of 2020021213 is about 1264.1112898476. Note that the first 3 decimals are identical.

Adding to 2020021213 its reverse (3121200202), we get a palindrome (5141221415).

The spelling of 2020021213 in words is "two billion, twenty million, twenty-one thousand, two hundred thirteen".