220201021110220 has 48 divisors (see below), whose sum is σ = 464066007874560. Its totient is φ = 87767830056896.

The previous prime is 220201021110173. The next prime is 220201021110253. The reversal of 220201021110220 is 22011120102022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220201021110194 and 220201021110203.

It is an unprimeable number.

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, 10283722 + ... + 23370001.

It is an arithmetic number, because the mean of its divisors is an integer number (9668041830720).

Almost surely, 2^{220201021110220} is an apocalyptic number.

220201021110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201021110220 is an abundant number, since it is smaller than the sum of its proper divisors (243864986764340).

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

220201021110220 is a wasteful number, since it uses less digits than its factorization.

220201021110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33654894 (or 33654892 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220201021110220 its reverse (22011120102022), we get a palindrome (242212141212242).

The spelling of 220201021110220 in words is "two hundred twenty trillion, two hundred one billion, twenty-one million, one hundred ten thousand, two hundred twenty".