220010100220 has 24 divisors (see below), whose sum is σ = 477952977600. Its totient is φ = 84969417792.

The previous prime is 220010100209. The next prime is 220010100223. The reversal of 220010100220 is 22001010022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 220010100197 and 220010100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010100223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189663300 + ... + 189664459.

It is an arithmetic number, because the mean of its divisors is an integer number (19914707400).

Almost surely, 2^220010100220 is an apocalyptic number.

220010100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220010100220 is an abundant number, since it is smaller than the sum of its proper divisors (257942877380).

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

220010100220 is a wasteful number, since it uses less digits than its factorization.

220010100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379327797 (or 379327795 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

220010100220 divided by its sum of digits (10) gives a palindrome (22001010022).

Adding to 220010100220 its reverse (22001010022), we get a palindrome (242011110242).

The spelling of 220010100220 in words is "two hundred twenty billion, ten million, one hundred thousand, two hundred twenty".