220001100202220 has 24 divisors (see below), whose sum is σ = 463487848413408. Its totient is φ = 87717480464000.

The previous prime is 220001100202193. The next prime is 220001100202231. The reversal of 220001100202220 is 22202001100022.

It is a junction number, because it is equal to n+sod(n) for n = 220001100202195 and 220001100202204.

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, 17684969681 + ... + 17684982120.

It is an arithmetic number, because the mean of its divisors is an integer number (19311993683892).

Almost surely, 2^{220001100202220} is an apocalyptic number.

220001100202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220001100202220 is an abundant number, since it is smaller than the sum of its proper divisors (243486748211188).

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

220001100202220 is a wasteful number, since it uses less digits than its factorization.

220001100202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35369952121 (or 35369952119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220001100202220 its reverse (22202001100022), we get a palindrome (242203101302242).

The spelling of 220001100202220 in words is "two hundred twenty trillion, one billion, one hundred million, two hundred two thousand, two hundred twenty".