220311023244 has 96 divisors (see below), whose sum is σ = 572938168320. Its totient is φ = 65422334208.

The previous prime is 220311023221. The next prime is 220311023291. The reversal of 220311023244 is 442320113022.

It is a happy number.

220311023244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12038269 + ... + 12056555.

It is an arithmetic number, because the mean of its divisors is an integer number (5968105920).

Almost surely, 2^220311023244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220311023244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286469084160).

220311023244 is an abundant number, since it is smaller than the sum of its proper divisors (352627145076).

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

220311023244 is a wasteful number, since it uses less digits than its factorization.

220311023244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20999 (or 20997 counting only the distinct ones).

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

Adding to 220311023244 its reverse (442320113022), we get a palindrome (662631136266).

The spelling of 220311023244 in words is "two hundred twenty billion, three hundred eleven million, twenty-three thousand, two hundred forty-four".