220013440145 has 32 divisors (see below), whose sum is σ = 268787397120. Its totient is φ = 172856436480.

The previous prime is 220013440019. The next prime is 220013440169. The reversal of 220013440145 is 541044310022.

220013440145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-220013440145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62026262 + ... + 62029808.

It is an arithmetic number, because the mean of its divisors is an integer number (8399606160).

Almost surely, 2^220013440145 is an apocalyptic number.

It is an amenable number.

220013440145 is a deficient number, since it is larger than the sum of its proper divisors (48773956975).

220013440145 is a wasteful number, since it uses less digits than its factorization.

220013440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 220013440145 its reverse (541044310022), we get a palindrome (761057750167).

The spelling of 220013440145 in words is "two hundred twenty billion, thirteen million, four hundred forty thousand, one hundred forty-five".