1322020213 has 4 divisors (see below), whose sum is σ = 1340640288. Its totient is φ = 1303400140.

The previous prime is 1322020211. The next prime is 1322020229. The reversal of 1322020213 is 3120202231.

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 1322020213 - 2¹ = 1322020211 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 (1322020211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9309931 + ... + 9310072.

It is an arithmetic number, because the mean of its divisors is an integer number (335160072).

Almost surely, 2^1322020213 is an apocalyptic number.

It is an amenable number.

1322020213 is a deficient number, since it is larger than the sum of its proper divisors (18620075).

1322020213 is an equidigital number, since it uses as much as digits as its factorization.

1322020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18620074.

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

The square root of 1322020213 is about 36359.5958860931. The cubic root of 1322020213 is about 1097.5206453119.

Adding to 1322020213 its reverse (3120202231), we get a palindrome (4442222444).

It can be divided in two parts, 13220 and 20213, that added together give a palindrome (33433).

The spelling of 1322020213 in words is "one billion, three hundred twenty-two million, twenty thousand, two hundred thirteen".