220201212222220 has 96 divisors (see below), whose sum is σ = 515399211532800. Its totient is φ = 78535297096704.

The previous prime is 220201212222217. The next prime is 220201212222221. The reversal of 220201212222220 is 22222212102022.

It is a junction number, because it is equal to n+sod(n) for n = 220201212222191 and 220201212222200.

It is not an unprimeable number, because it can be changed into a prime (220201212222221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1008031929 + ... + 1008250351.

It is an arithmetic number, because the mean of its divisors is an integer number (5368741786800).

Almost surely, 2^{220201212222220} is an apocalyptic number.

220201212222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201212222220 is an abundant number, since it is smaller than the sum of its proper divisors (295197999310580).

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

220201212222220 is a wasteful number, since it uses less digits than its factorization.

220201212222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374527 (or 374525 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 220201212222220 its reverse (22222212102022), we get a palindrome (242423424324242).

The spelling of 220201212222220 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty".