220111020222020 has 24 divisors (see below), whose sum is σ = 462294880879104. Its totient is φ = 88032648391136.

The previous prime is 220111020221947. The next prime is 220111020222031. The reversal of 220111020222020 is 20222020111022.

It is a happy number.

It is a super-2 number, since 2×220111020222020² (a number of 29 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 220111020222020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734827622 + ... + 735127101.

It is an arithmetic number, because the mean of its divisors is an integer number (19262286703296).

Almost surely, 2^{220111020222020} is an apocalyptic number.

220111020222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111020222020 is an abundant number, since it is smaller than the sum of its proper divisors (242183860657084).

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

220111020222020 is a wasteful number, since it uses less digits than its factorization.

220111020222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469962219 (or 1469962217 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220111020222020 its reverse (20222020111022), we get a palindrome (240333040333042).

The spelling of 220111020222020 in words is "two hundred twenty trillion, one hundred eleven billion, twenty million, two hundred twenty-two thousand, twenty".