20321322310230 has 128 divisors (see below), whose sum is σ = 49411574277120. Its totient is φ = 5348289085440.

The previous prime is 20321322310189. The next prime is 20321322310273. The reversal of 20321322310230 is 3201322312302.

It is a super-2 number, since 2×20321322310230² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20321322310230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3112467606 + ... + 3112474134.

It is an arithmetic number, because the mean of its divisors is an integer number (386027924040).

Almost surely, 2^{20321322310230} is an apocalyptic number.

20321322310230 is an abundant number, since it is smaller than the sum of its proper divisors (29090251966890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20321322310230 is a wasteful number, since it uses less digits than its factorization.

20321322310230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10406.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20321322310230 its reverse (3201322312302), we get a palindrome (23522644622532).

The spelling of 20321322310230 in words is "twenty trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred ten thousand, two hundred thirty".