2020321213 has 8 divisors (see below), whose sum is σ = 2040132600. Its totient is φ = 2000533248.

The previous prime is 2020321153. The next prime is 2020321217. The reversal of 2020321213 is 3121230202.

It can be written as a sum of positive squares in 4 ways, for example, as 902221369 + 1118099844 = 30037^2 + 33438^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020321213 - 2¹³ = 2020313021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203673 + ... + 213361.

It is an arithmetic number, because the mean of its divisors is an integer number (255016575).

Almost surely, 2^2020321213 is an apocalyptic number.

It is an amenable number.

2020321213 is a deficient number, since it is larger than the sum of its proper divisors (19811387).

2020321213 is a wasteful number, since it uses less digits than its factorization.

2020321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2020321213 is about 44947.9834141644. The cubic root of 2020321213 is about 1264.1738658596.

Adding to 2020321213 its reverse (3121230202), we get a palindrome (5141551415).

The spelling of 2020321213 in words is "two billion, twenty million, three hundred twenty-one thousand, two hundred thirteen".