220102101100220 has 48 divisors (see below), whose sum is σ = 490408431065280. Its totient is φ = 82691819633664.

The previous prime is 220102101100213. The next prime is 220102101100223. The reversal of 220102101100220 is 22001101201022.

It is a super-2 number, since 2×220102101100220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220102101100195 and 220102101100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102101100223) by changing a digit.

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, 664474175 + ... + 664805334.

It is an arithmetic number, because the mean of its divisors is an integer number (10216842313860).

Almost surely, 2^{220102101100220} is an apocalyptic number.

220102101100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102101100220 is an abundant number, since it is smaller than the sum of its proper divisors (270306329965060).

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

220102101100220 is a wasteful number, since it uses less digits than its factorization.

220102101100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329280022 (or 1329280020 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220102101100220 its reverse (22001101201022), we get a palindrome (242103202301242).

The spelling of 220102101100220 in words is "two hundred twenty trillion, one hundred two billion, one hundred one million, one hundred thousand, two hundred twenty".