220143204234424 has 128 divisors (see below), whose sum is σ = 428896732492800. Its totient is φ = 105876592174080.

The previous prime is 220143204234403. The next prime is 220143204234433. The reversal of 220143204234424 is 424432402341022.

It is a super-2 number, since 2×220143204234424² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 4508981677 + ... + 4509030499.

It is an arithmetic number, because the mean of its divisors is an integer number (3350755722600).

Almost surely, 2^{220143204234424} is an apocalyptic number.

It is an amenable number.

220143204234424 is a deficient number, since it is larger than the sum of its proper divisors (208753528258376).

220143204234424 is a wasteful number, since it uses less digits than its factorization.

220143204234424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49973 (or 49969 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 220143204234424 its reverse (424432402341022), we get a palindrome (644575606575446).

The spelling of 220143204234424 in words is "two hundred twenty trillion, one hundred forty-three billion, two hundred four million, two hundred thirty-four thousand, four hundred twenty-four".