220706122143 has 8 divisors (see below), whose sum is σ = 316911354928. Its totient is φ = 135819152064.

The previous prime is 220706122127. The next prime is 220706122151. The reversal of 220706122143 is 341221607022.

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

It is not a de Polignac number, because 220706122143 - 2⁴ = 220706122127 is a prime.

It is a super-2 number, since 2×220706122143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220706122143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220706122183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829565630 + ... + 2829565707.

It is an arithmetic number, because the mean of its divisors is an integer number (39613919366).

Almost surely, 2^220706122143 is an apocalyptic number.

220706122143 is a deficient number, since it is larger than the sum of its proper divisors (96205232785).

220706122143 is a wasteful number, since it uses less digits than its factorization.

220706122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659131353.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 220706122143 its reverse (341221607022), we get a palindrome (561927729165).

The spelling of 220706122143 in words is "two hundred twenty billion, seven hundred six million, one hundred twenty-two thousand, one hundred forty-three".