111320332020 has 48 divisors (see below), whose sum is σ = 346329923520. Its totient is φ = 29685421728.

The previous prime is 111320332003. The next prime is 111320332073. The reversal of 111320332020 is 20233023111.

111320332020 is a `hidden beast` number, since 1 + 1 + 1 + 320 + 3 + 320 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111320331984 and 111320332002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 103073842 + ... + 103074921.

It is an arithmetic number, because the mean of its divisors is an integer number (7215206740).

Almost surely, 2^111320332020 is an apocalyptic number.

111320332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111320332020 is an abundant number, since it is smaller than the sum of its proper divisors (235009591500).

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

111320332020 is a wasteful number, since it uses less digits than its factorization.

111320332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206148781 (or 206148773 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 111320332020 its reverse (20233023111), we get a palindrome (131553355131).

The spelling of 111320332020 in words is "one hundred eleven billion, three hundred twenty million, three hundred thirty-two thousand, twenty".