220120344063210 has 128 divisors (see below), whose sum is σ = 562853209847040. Its totient is φ = 54901408628736.

The previous prime is 220120344063209. The next prime is 220120344063251. The reversal of 220120344063210 is 12360443021022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 855195894 + ... + 855453246.

It is an arithmetic number, because the mean of its divisors is an integer number (4397290701930).

Almost surely, 2^{220120344063210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220120344063210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281426604923520).

220120344063210 is an abundant number, since it is smaller than the sum of its proper divisors (342732865783830).

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

220120344063210 is a wasteful number, since it uses less digits than its factorization.

220120344063210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267832.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 220120344063210 its reverse (12360443021022), we get a palindrome (232480787084232).

The spelling of 220120344063210 in words is "two hundred twenty trillion, one hundred twenty billion, three hundred forty-four million, sixty-three thousand, two hundred ten".