20301112321100 has 144 divisors (see below), whose sum is σ = 49137350841600. Its totient is φ = 7228578309120.

The previous prime is 20301112321099. The next prime is 20301112321117. The reversal of 20301112321100 is 112321110302.

It is a super-2 number, since 2×20301112321100² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30928517 + ... + 31578083.

Almost surely, 2^{20301112321100} is an apocalyptic number.

20301112321100 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 20301112321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24568675420800).

20301112321100 is an abundant number, since it is smaller than the sum of its proper divisors (28836238520500).

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

20301112321100 is a wasteful number, since it uses less digits than its factorization.

20301112321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650452 (or 650445 counting only the distinct ones).

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

Adding to 20301112321100 its reverse (112321110302), we get a palindrome (20413433431402).

The spelling of 20301112321100 in words is "twenty trillion, three hundred one billion, one hundred twelve million, three hundred twenty-one thousand, one hundred".