20001110011120 has 160 divisors (see below), whose sum is σ = 53404987004928. Its totient is φ = 6824161142784.

The previous prime is 20001110011093. The next prime is 20001110011171. The reversal of 20001110011120 is 2111001110002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20001110011097 and 20001110011106.

It is a congruent number.

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, 95873644 + ... + 96082036.

Almost surely, 2^{20001110011120} is an apocalyptic number.

20001110011120 is a gapful number since it is divisible by the number (20) 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 20001110011120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26702493502464).

20001110011120 is an abundant number, since it is smaller than the sum of its proper divisors (33403876993808).

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

20001110011120 is a wasteful number, since it uses less digits than its factorization.

20001110011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209247 (or 209241 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20001110011120 its reverse (2111001110002), we get a palindrome (22112111121122).

The spelling of 20001110011120 in words is "twenty trillion, one billion, one hundred ten million, eleven thousand, one hundred twenty".