220202100220 has 24 divisors (see below), whose sum is σ = 463644543600. Its totient is φ = 87848433792.

The previous prime is 220202100191. The next prime is 220202100227. The reversal of 220202100220 is 22001202022.

220202100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220202100220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202100227) 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 7 ways as a sum of consecutive naturals, for example, 14517625 + ... + 14532784.

It is an arithmetic number, because the mean of its divisors is an integer number (19318522650).

Almost surely, 2^220202100220 is an apocalyptic number.

220202100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220202100220 is an abundant number, since it is smaller than the sum of its proper divisors (243442443380).

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

220202100220 is a wasteful number, since it uses less digits than its factorization.

220202100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29050797 (or 29050795 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220202100220 its reverse (22001202022), we get a palindrome (242203302242).

The spelling of 220202100220 in words is "two hundred twenty billion, two hundred two million, one hundred thousand, two hundred twenty".