220212020201220 has 144 divisors (see below), whose sum is σ = 703229556032640. Its totient is φ = 55624880037888.

The previous prime is 220212020201207. The next prime is 220212020201279. The reversal of 220212020201220 is 22102020212022.

220212020201220 is a `hidden beast` number, since 2 + 20 + 21 + 202 + 0 + 201 + 220 = 666.

It is a super-2 number, since 2×220212020201220² (a number of 29 digits) contains 22 as substring.

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 = 220212020201193 and 220212020201202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20543689 + ... + 29367791.

It is an arithmetic number, because the mean of its divisors is an integer number (4883538583560).

Almost surely, 2^{220212020201220} is an apocalyptic number.

220212020201220 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 220212020201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351614778016320).

220212020201220 is an abundant number, since it is smaller than the sum of its proper divisors (483017535831420).

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

220212020201220 is a wasteful number, since it uses less digits than its factorization.

220212020201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8831434 (or 8831429 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220212020201220 its reverse (22102020212022), we get a palindrome (242314040413242).

The spelling of 220212020201220 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred one thousand, two hundred twenty".