220200001221220 has 24 divisors (see below), whose sum is σ = 463035741614208. Its totient is φ = 87962716860000.

The previous prime is 220200001221163. The next prime is 220200001221241. The reversal of 220200001221220 is 22122100002022.

It is a junction number, because it is equal to n+sod(n) for n = 220200001221194 and 220200001221203.

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, 7330211386 + ... + 7330241425.

It is an arithmetic number, because the mean of its divisors is an integer number (19293155900592).

Almost surely, 2^{220200001221220} is an apocalyptic number.

220200001221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200001221220 is an abundant number, since it is smaller than the sum of its proper divisors (242835740392988).

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

220200001221220 is a wasteful number, since it uses less digits than its factorization.

220200001221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660453571 (or 14660453569 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220200001221220 its reverse (22122100002022), we get a palindrome (242322101223242).

The spelling of 220200001221220 in words is "two hundred twenty trillion, two hundred billion, one million, two hundred twenty-one thousand, two hundred twenty".