220123124430 has 32 divisors (see below), whose sum is σ = 576322363008. Its totient is φ = 53363181600.

The previous prime is 220123124393. The next prime is 220123124453. The reversal of 220123124430 is 34421321022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220123124430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333519556 + ... + 333520215.

It is an arithmetic number, because the mean of its divisors is an integer number (18010073844).

Almost surely, 2^220123124430 is an apocalyptic number.

220123124430 is an abundant number, since it is smaller than the sum of its proper divisors (356199238578).

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

220123124430 is a wasteful number, since it uses less digits than its factorization.

220123124430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667039792.

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

Adding to 220123124430 its reverse (34421321022), we get a palindrome (254544445452).

The spelling of 220123124430 in words is "two hundred twenty billion, one hundred twenty-three million, one hundred twenty-four thousand, four hundred thirty".