20322123213 has 8 divisors (see below), whose sum is σ = 30967044928. Its totient is φ = 11612641824.

The previous prime is 20322123203. The next prime is 20322123233. The reversal of 20322123213 is 31232122302.

It is a happy number.

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

It is not a de Polignac number, because 20322123213 - 2⁴ = 20322123197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 967720153 = 20322123213 / (2 + 0 + 3 + 2 + 2 + 1 + 2 + 3 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20322123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322123203) 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, 483860056 + ... + 483860097.

It is an arithmetic number, because the mean of its divisors is an integer number (3870880616).

Almost surely, 2^20322123213 is an apocalyptic number.

It is an amenable number.

20322123213 is a deficient number, since it is larger than the sum of its proper divisors (10644921715).

20322123213 is an equidigital number, since it uses as much as digits as its factorization.

20322123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967720163.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20322123213 its reverse (31232122302), we get a palindrome (51554245515).

The spelling of 20322123213 in words is "twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred thirteen".