20311322103330 has 32 divisors (see below), whose sum is σ = 48830217678144. Its totient is φ = 5407125379776.

The previous prime is 20311322103323. The next prime is 20311322103349. The reversal of 20311322103330 is 3330122311302.

It is a self number, because there is not a number n which added to its sum of digits gives 20311322103330.

It is an unprimeable number.

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, 576680917 + ... + 576716136.

It is an arithmetic number, because the mean of its divisors is an integer number (1525944302442).

Almost surely, 2^{20311322103330} is an apocalyptic number.

20311322103330 is an abundant number, since it is smaller than the sum of its proper divisors (28518895574814).

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

20311322103330 is a wasteful number, since it uses less digits than its factorization.

20311322103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153397650.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20311322103330 its reverse (3330122311302), we get a palindrome (23641444414632).

The spelling of 20311322103330 in words is "twenty trillion, three hundred eleven billion, three hundred twenty-two million, one hundred three thousand, three hundred thirty".