220030221220 has 24 divisors (see below), whose sum is σ = 466549521984. Its totient is φ = 87157601376.

The previous prime is 220030221199. The next prime is 220030221241. The reversal of 220030221220 is 22122030022.

It is an interprime number because it is at equal distance from previous prime (220030221199) and next prime (220030221241).

It is a junction number, because it is equal to n+sod(n) for n = 220030221194 and 220030221203.

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, 53403334 + ... + 53407453.

It is an arithmetic number, because the mean of its divisors is an integer number (19439563416).

Almost surely, 2^220030221220 is an apocalyptic number.

220030221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220030221220 is an abundant number, since it is smaller than the sum of its proper divisors (246519300764).

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

220030221220 is a wasteful number, since it uses less digits than its factorization.

220030221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106810899 (or 106810897 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 220030221220 its reverse (22122030022), we get a palindrome (242152251242).

The spelling of 220030221220 in words is "two hundred twenty billion, thirty million, two hundred twenty-one thousand, two hundred twenty".