220212220303220 has 24 divisors (see below), whose sum is σ = 462846743051784. Its totient is φ = 88008491851776.

The previous prime is 220212220303217. The next prime is 220212220303241. The reversal of 220212220303220 is 22303022212022.

It can be written as a sum of positive squares in 4 ways, for example, as 78778618535824 + 141433601767396 = 8875732^2 + 11892586^2 .

It is a congruent number.

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, 4774743209 + ... + 4774789328.

It is an arithmetic number, because the mean of its divisors is an integer number (19285280960491).

Almost surely, 2^{220212220303220} is an apocalyptic number.

220212220303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212220303220 is an abundant number, since it is smaller than the sum of its proper divisors (242634522748564).

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

220212220303220 is a wasteful number, since it uses less digits than its factorization.

220212220303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9549533699 (or 9549533697 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 220212220303220 its reverse (22303022212022), we get a palindrome (242515242515242).

The spelling of 220212220303220 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred twenty million, three hundred three thousand, two hundred twenty".