220220110301220 has 72 divisors (see below), whose sum is σ = 668002412783160. Its totient is φ = 58725238656000.

The previous prime is 220220110301201. The next prime is 220220110301291. The reversal of 220220110301220 is 22103011022022.

220220110301220 is a `hidden beast` number, since 2 + 202 + 201 + 10 + 30 + 1 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6229087522596 + 213991022778624 = 2495814^2 + 14628432^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220220110301193 and 220220110301202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111290470 + ... + 113251970.

It is an arithmetic number, because the mean of its divisors is an integer number (9277811288655).

Almost surely, 2^{220220110301220} is an apocalyptic number.

220220110301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220110301220 is an abundant number, since it is smaller than the sum of its proper divisors (447782302481940).

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

220220110301220 is a wasteful number, since it uses less digits than its factorization.

220220110301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585245 (or 2585240 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220220110301220 its reverse (22103011022022), we get a palindrome (242323121323242).

The spelling of 220220110301220 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred ten million, three hundred one thousand, two hundred twenty".