220040144 has 20 divisors (see below), whose sum is σ = 426773280. Its totient is φ = 109905120.

The previous prime is 220040137. The next prime is 220040167. The reversal of 220040144 is 441040022.

220040144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827 + ... + 23165.

It is an arithmetic number, because the mean of its divisors is an integer number (21338664).

Almost surely, 2^220040144 is an apocalyptic number.

It is an amenable number.

220040144 is a deficient number, since it is larger than the sum of its proper divisors (206733136).

220040144 is a wasteful number, since it uses less digits than its factorization.

220040144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14378 (or 14372 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220040144 is about 14833.7501664279. The cubic root of 220040144 is about 603.7177898906.

Adding to 220040144 its reverse (441040022), we get a palindrome (661080166).

The spelling of 220040144 in words is "two hundred twenty million, forty thousand, one hundred forty-four".