20111310324330 has 64 divisors (see below), whose sum is σ = 53016543498240. Its totient is φ = 4859849814336.

The previous prime is 20111310324269. The next prime is 20111310324389. The reversal of 20111310324330 is 3342301311102.

It is a self number, because there is not a number n which added to its sum of digits gives 20111310324330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 767008642 + ... + 767034861.

It is an arithmetic number, because the mean of its divisors is an integer number (828383492160).

Almost surely, 2^{20111310324330} is an apocalyptic number.

20111310324330 is an abundant number, since it is smaller than the sum of its proper divisors (32905233173910).

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

20111310324330 is a wasteful number, since it uses less digits than its factorization.

20111310324330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534043555.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20111310324330 its reverse (3342301311102), we get a palindrome (23453611635432).

The spelling of 20111310324330 in words is "twenty trillion, one hundred eleven billion, three hundred ten million, three hundred twenty-four thousand, three hundred thirty".