220012112110220 has 24 divisors (see below), whose sum is σ = 489203402222304. Its totient is φ = 82828089264896.

The previous prime is 220012112110177. The next prime is 220012112110223. The reversal of 220012112110220 is 22011211210022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (220012112110223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323547223352 + ... + 323547224031.

It is an arithmetic number, because the mean of its divisors is an integer number (20383475092596).

Almost surely, 2^{220012112110220} is an apocalyptic number.

220012112110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012112110220 is an abundant number, since it is smaller than the sum of its proper divisors (269191290112084).

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

220012112110220 is a wasteful number, since it uses less digits than its factorization.

220012112110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647094447409 (or 647094447407 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220012112110220 its reverse (22011211210022), we get a palindrome (242023323320242).

The spelling of 220012112110220 in words is "two hundred twenty trillion, twelve billion, one hundred twelve million, one hundred ten thousand, two hundred twenty".