220340250055 has 8 divisors (see below), whose sum is σ = 264667784400. Its totient is φ = 176099210496.

The previous prime is 220340250049. The next prime is 220340250089. The reversal of 220340250055 is 550052043022.

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

It is a cyclic number.

It is not a de Polignac number, because 220340250055 - 2⁹ = 220340249543 is a prime.

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, 21618090 + ... + 21628279.

It is an arithmetic number, because the mean of its divisors is an integer number (33083473050).

Almost surely, 2^220340250055 is an apocalyptic number.

220340250055 is a deficient number, since it is larger than the sum of its proper divisors (44327534345).

220340250055 is a wasteful number, since it uses less digits than its factorization.

220340250055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43247393.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 220340250055 its reverse (550052043022), we get a palindrome (770392293077).

The spelling of 220340250055 in words is "two hundred twenty billion, three hundred forty million, two hundred fifty thousand, fifty-five".