20322232310231 has 8 divisors (see below), whose sum is σ = 20739109366800. Its totient is φ = 19909544973120.

The previous prime is 20322232310173. The next prime is 20322232310257. The reversal of 20322232310231 is 13201323222302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322232310231 is a prime.

It is a super-2 number, since 2×20322232310231² (a number of 27 digits) contains 22 as substring.

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 20322232310231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322232300231) 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, 1047420065 + ... + 1047439466.

It is an arithmetic number, because the mean of its divisors is an integer number (2592388670850).

Almost surely, 2^{20322232310231} is an apocalyptic number.

20322232310231 is a deficient number, since it is larger than the sum of its proper divisors (416877056569).

20322232310231 is a wasteful number, since it uses less digits than its factorization.

20322232310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094859729.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20322232310231 its reverse (13201323222302), we get a palindrome (33523555532533).

The spelling of 20322232310231 in words is "twenty trillion, three hundred twenty-two billion, two hundred thirty-two million, three hundred ten thousand, two hundred thirty-one".