220343340234220 has 48 divisors (see below), whose sum is σ = 536716912354560. Its totient is φ = 74418731538624.

The previous prime is 220343340234191. The next prime is 220343340234221. The reversal of 220343340234220 is 22432043343022.

It is not an unprimeable number, because it can be changed into a prime (220343340234221) 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, 11745371230 + ... + 11745389989.

It is an arithmetic number, because the mean of its divisors is an integer number (11181602340720).

Almost surely, 2^{220343340234220} is an apocalyptic number.

220343340234220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220343340234220 is an abundant number, since it is smaller than the sum of its proper divisors (316373572120340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220343340234220 is a wasteful number, since it uses less digits than its factorization.

220343340234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490761302 (or 23490761300 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 220343340234220 its reverse (22432043343022), we get a palindrome (242775383577242).

The spelling of 220343340234220 in words is "two hundred twenty trillion, three hundred forty-three billion, three hundred forty million, two hundred thirty-four thousand, two hundred twenty".