220340120312234 has 32 divisors (see below), whose sum is σ = 378168975737280. Its totient is φ = 95442646211712.

The previous prime is 220340120312227. The next prime is 220340120312239. The reversal of 220340120312234 is 432213021043022.

It is a junction number, because it is equal to n+sod(n) for n = 220340120312197 and 220340120312206.

It is not an unprimeable number, because it can be changed into a prime (220340120312239) 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, 2084211779 + ... + 2084317494.

It is an arithmetic number, because the mean of its divisors is an integer number (11817780491790).

Almost surely, 2^{220340120312234} is an apocalyptic number.

220340120312234 is a deficient number, since it is larger than the sum of its proper divisors (157828855425046).

220340120312234 is a wasteful number, since it uses less digits than its factorization.

220340120312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168529414.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 220340120312234 its reverse (432213021043022), we get a palindrome (652553141355256).

The spelling of 220340120312234 in words is "two hundred twenty trillion, three hundred forty billion, one hundred twenty million, three hundred twelve thousand, two hundred thirty-four".