20120011111096 has 96 divisors (see below), whose sum is σ = 41143735987200. Its totient is φ = 9219494044800.

The previous prime is 20120011111073. The next prime is 20120011111111. The reversal of 20120011111096 is 69011111002102.

It is a super-2 number, since 2×20120011111096² (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 20120011111096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377042065 + ... + 377095423.

It is an arithmetic number, because the mean of its divisors is an integer number (428580583200).

Almost surely, 2^{20120011111096} is an apocalyptic number.

20120011111096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20120011111096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20571867993600).

20120011111096 is an abundant number, since it is smaller than the sum of its proper divisors (21023724876104).

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

20120011111096 is a wasteful number, since it uses less digits than its factorization.

20120011111096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55389 (or 55372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 25.

Adding to 20120011111096 its reverse (69011111002102), we get a palindrome (89131122113198).

The spelling of 20120011111096 in words is "twenty trillion, one hundred twenty billion, eleven million, one hundred eleven thousand, ninety-six".