220111112113020 has 72 divisors (see below), whose sum is σ = 696699520092576. Its totient is φ = 56144283668352.

The previous prime is 220111112113019. The next prime is 220111112113051. The reversal of 220111112113020 is 20311211111022.

It is a happy number.

220111112113020 is a `hidden beast` number, since 220 + 11 + 11 + 121 + 1 + 302 + 0 = 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 = 220111112112984 and 220111112113002.

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, 26583463507 + ... + 26583471786.

It is an arithmetic number, because the mean of its divisors is an integer number (9676382223508).

Almost surely, 2^{220111112113020} is an apocalyptic number.

220111112113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111112113020 is an abundant number, since it is smaller than the sum of its proper divisors (476588407979556).

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

220111112113020 is a wasteful number, since it uses less digits than its factorization.

220111112113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53166935331 (or 53166935326 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 220111112113020 its reverse (20311211111022), we get a palindrome (240422323224042).

The spelling of 220111112113020 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, twenty".