220140055 has 8 divisors (see below), whose sum is σ = 279707472. Its totient is φ = 165752448.

The previous prime is 220140043. The next prime is 220140077. The reversal of 220140055 is 550041022.

220140055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220140055 - 2¹¹ = 220138007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294857 + ... + 1295026.

It is an arithmetic number, because the mean of its divisors is an integer number (34963434).

Almost surely, 2^220140055 is an apocalyptic number.

220140055 is a deficient number, since it is larger than the sum of its proper divisors (59567417).

220140055 is a wasteful number, since it uses less digits than its factorization.

220140055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589905.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 220140055 is about 14837.1174761137. The cubic root of 220140055 is about 603.8091503730.

Adding to 220140055 its reverse (550041022), we get a palindrome (770181077).

The spelling of 220140055 in words is "two hundred twenty million, one hundred forty thousand, fifty-five".