220135174243 has 16 divisors (see below), whose sum is σ = 227753085952. Its totient is φ = 212550156000.

The previous prime is 220135174229. The next prime is 220135174271. The reversal of 220135174243 is 342471531022.

It is a cyclic number.

It is not a de Polignac number, because 220135174243 - 2¹³ = 220135166051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220135174199 and 220135174208.

It is not an unprimeable number, because it can be changed into a prime (220135174223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27475108 + ... + 27483118.

It is an arithmetic number, because the mean of its divisors is an integer number (14234567872).

Almost surely, 2^220135174243 is an apocalyptic number.

220135174243 is a deficient number, since it is larger than the sum of its proper divisors (7617911709).

220135174243 is a wasteful number, since it uses less digits than its factorization.

220135174243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 220135174243 in words is "two hundred twenty billion, one hundred thirty-five million, one hundred seventy-four thousand, two hundred forty-three".