220220021120120 has 192 divisors, whose sum is σ = 582151393362240. Its totient is φ = 73443810263040.

The previous prime is 220220021120107. The next prime is 220220021120137. The reversal of 220220021120120 is 21021120022022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157924982 + ... + 159313338.

It is an arithmetic number, because the mean of its divisors is an integer number (3032038507095).

Almost surely, 2^{220220021120120} is an apocalyptic number.

220220021120120 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 220220021120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291075696681120).

220220021120120 is an abundant number, since it is smaller than the sum of its proper divisors (361931372242120).

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

220220021120120 is a wasteful number, since it uses less digits than its factorization.

220220021120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388794 (or 1388749 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220220021120120 its reverse (21021120022022), we get a palindrome (241241141142142).

The spelling of 220220021120120 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, one hundred twenty".