220110111020220 has 96 divisors (see below), whose sum is σ = 617340878396928. Its totient is φ = 58597750163712.

The previous prime is 220110111020161. The next prime is 220110111020237. The reversal of 220110111020220 is 22020111011022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220110111020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116023009 + ... + 117904871.

It is an arithmetic number, because the mean of its divisors is an integer number (6430634149968).

Almost surely, 2^{220110111020220} is an apocalyptic number.

220110111020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110111020220 is an abundant number, since it is smaller than the sum of its proper divisors (397230767376708).

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

220110111020220 is a wasteful number, since it uses less digits than its factorization.

220110111020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885139 (or 1885137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220110111020220 its reverse (22020111011022), we get a palindrome (242130222031242).

The spelling of 220110111020220 in words is "two hundred twenty trillion, one hundred ten billion, one hundred eleven million, twenty thousand, two hundred twenty".