220120233212220 has 192 divisors, whose sum is σ = 681868052812800. Its totient is φ = 52608517427200.

The previous prime is 220120233212057. The next prime is 220120233212293. The reversal of 220120233212220 is 22212332021022.

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, 1174827106 + ... + 1175014454.

It is an arithmetic number, because the mean of its divisors is an integer number (3551396108400).

Almost surely, 2^{220120233212220} is an apocalyptic number.

220120233212220 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 220120233212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340934026406400).

220120233212220 is an abundant number, since it is smaller than the sum of its proper divisors (461747819600580).

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

220120233212220 is a wasteful number, since it uses less digits than its factorization.

220120233212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212516 (or 212514 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 220120233212220 its reverse (22212332021022), we get a palindrome (242332565233242).

The spelling of 220120233212220 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred thirty-three million, two hundred twelve thousand, two hundred twenty".