220013440144 has 10 divisors (see below), whose sum is σ = 426276040310. Its totient is φ = 110006720064.

The previous prime is 220013440019. The next prime is 220013440169. The reversal of 220013440144 is 441044310022.

It can be written as a sum of positive squares in only one way, i.e., 183279884544 + 36733555600 = 428112^2 + 191660^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875419989 + ... + 6875420020.

It is an arithmetic number, because the mean of its divisors is an integer number (42627604031).

Almost surely, 2^220013440144 is an apocalyptic number.

It is an amenable number.

220013440144 is a deficient number, since it is larger than the sum of its proper divisors (206262600166).

220013440144 is a wasteful number, since it uses less digits than its factorization.

220013440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750840017 (or 13750840011 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 220013440144 its reverse (441044310022), we get a palindrome (661057750166).

The spelling of 220013440144 in words is "two hundred twenty billion, thirteen million, four hundred forty thousand, one hundred forty-four".