20113302030312 has 128 divisors (see below), whose sum is σ = 52763694336000. Its totient is φ = 6382698393600.

The previous prime is 20113302030307. The next prime is 20113302030347. The reversal of 20113302030312 is 21303020331102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9374064 + ... + 11318112.

It is an arithmetic number, because the mean of its divisors is an integer number (412216362000).

Almost surely, 2^{20113302030312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20113302030312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26381847168000).

20113302030312 is an abundant number, since it is smaller than the sum of its proper divisors (32650392305688).

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

20113302030312 is a wasteful number, since it uses less digits than its factorization.

20113302030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944347 (or 1944343 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20113302030312 its reverse (21303020331102), we get a palindrome (41416322361414).

The spelling of 20113302030312 in words is "twenty trillion, one hundred thirteen billion, three hundred two million, thirty thousand, three hundred twelve".