20201322213 has 16 divisors (see below), whose sum is σ = 30623883840. Its totient is φ = 13154348592.

The previous prime is 20201322209. The next prime is 20201322233. The reversal of 20201322213 is 31222310202.

It is not a de Polignac number, because 20201322213 - 2² = 20201322209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201322233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8698806 + ... + 8701127.

It is an arithmetic number, because the mean of its divisors is an integer number (1913992740).

Almost surely, 2^20201322213 is an apocalyptic number.

It is an amenable number.

20201322213 is a deficient number, since it is larger than the sum of its proper divisors (10422561627).

20201322213 is a wasteful number, since it uses less digits than its factorization.

20201322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17399985 (or 17399979 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20201322213 its reverse (31222310202), we get a palindrome (51423632415).

The spelling of 20201322213 in words is "twenty billion, two hundred one million, three hundred twenty-two thousand, two hundred thirteen".