220030244120 has 128 divisors (see below), whose sum is σ = 518673818880. Its totient is φ = 83925504000.

The previous prime is 220030244101. The next prime is 220030244123. The reversal of 220030244120 is 21442030022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220030244092 and 220030244101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030244123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23550650 + ... + 23559990.

It is an arithmetic number, because the mean of its divisors is an integer number (4052139210).

Almost surely, 2^220030244120 is an apocalyptic number.

220030244120 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 220030244120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259336909440).

220030244120 is an abundant number, since it is smaller than the sum of its proper divisors (298643574760).

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

220030244120 is a wasteful number, since it uses less digits than its factorization.

220030244120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9717 (or 9713 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 220030244120 its reverse (21442030022), we get a palindrome (241472274142).

It can be divided in two parts, 2200302 and 44120, that added together give a palindrome (2244422).

The spelling of 220030244120 in words is "two hundred twenty billion, thirty million, two hundred forty-four thousand, one hundred twenty".