220010031220 has 192 divisors, whose sum is σ = 555561216000. Its totient is φ = 71616462336.

The previous prime is 220010031191. The next prime is 220010031317. The reversal of 220010031220 is 22130010022.

It is a self number, because there is not a number n which added to its sum of digits gives 220010031220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42478591 + ... + 42483769.

It is an arithmetic number, because the mean of its divisors is an integer number (2893548000).

Almost surely, 2^220010031220 is an apocalyptic number.

220010031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220010031220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277780608000).

220010031220 is an abundant number, since it is smaller than the sum of its proper divisors (335551184780).

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

220010031220 is a wasteful number, since it uses less digits than its factorization.

220010031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220010031220 its reverse (22130010022), we get a palindrome (242140041242).

The spelling of 220010031220 in words is "two hundred twenty billion, ten million, thirty-one thousand, two hundred twenty".