20322102231 has 40 divisors (see below), whose sum is σ = 30759911424. Its totient is φ = 13369723920.

The previous prime is 20322102221. The next prime is 20322102287. The reversal of 20322102231 is 13220122302.

It is not a de Polignac number, because 20322102231 - 2¹⁰ = 20322101207 is a prime.

It is a super-2 number, since 2×20322102231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322102221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1959646 + ... + 1969988.

Almost surely, 2^20322102231 is an apocalyptic number.

20322102231 is a deficient number, since it is larger than the sum of its proper divisors (10437809193).

20322102231 is a wasteful number, since it uses less digits than its factorization.

20322102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673 (or 10664 counting only the distinct ones).

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

Adding to 20322102231 its reverse (13220122302), we get a palindrome (33542224533).

The spelling of 20322102231 in words is "twenty billion, three hundred twenty-two million, one hundred two thousand, two hundred thirty-one".