20112030111320 has 64 divisors (see below), whose sum is σ = 51722780325120. Its totient is φ = 6894735652224.

The previous prime is 20112030111293. The next prime is 20112030111389. The reversal of 20112030111320 is 2311103021102.

It is a congruent number.

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, 1889702 + ... + 6617781.

It is an arithmetic number, because the mean of its divisors is an integer number (808168442580).

Almost surely, 2^{20112030111320} is an apocalyptic number.

20112030111320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112030111320 is an abundant number, since it is smaller than the sum of its proper divisors (31610750213800).

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

20112030111320 is a wasteful number, since it uses less digits than its factorization.

20112030111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515944 (or 8515940 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20112030111320 its reverse (2311103021102), we get a palindrome (22423133132422).

The spelling of 20112030111320 in words is "twenty trillion, one hundred twelve billion, thirty million, one hundred eleven thousand, three hundred twenty".