220334324144 has 40 divisors (see below), whose sum is σ = 490217522880. Its totient is φ = 94880808000.

The previous prime is 220334324101. The next prime is 220334324153. The reversal of 220334324144 is 441423433022.

It is a super-2 number, since 2×220334324144² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220334324144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32941382 + ... + 32948069.

It is an arithmetic number, because the mean of its divisors is an integer number (12255438072).

Almost surely, 2^220334324144 is an apocalyptic number.

It is an amenable number.

220334324144 is an abundant number, since it is smaller than the sum of its proper divisors (269883198736).

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

220334324144 is a wasteful number, since it uses less digits than its factorization.

220334324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65889489 (or 65889483 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 220334324144 its reverse (441423433022), we get a palindrome (661757757166).

The spelling of 220334324144 in words is "two hundred twenty billion, three hundred thirty-four million, three hundred twenty-four thousand, one hundred forty-four".