220340511343 has 4 divisors (see below), whose sum is σ = 227938460040. Its totient is φ = 212742562648.

The previous prime is 220340511319. The next prime is 220340511353. The reversal of 220340511343 is 343115043022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220340511343 - 2¹³ = 220340503151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220340511353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798974305 + ... + 3798974362.

It is an arithmetic number, because the mean of its divisors is an integer number (56984615010).

Almost surely, 2^220340511343 is an apocalyptic number.

220340511343 is a deficient number, since it is larger than the sum of its proper divisors (7597948697).

220340511343 is an equidigital number, since it uses as much as digits as its factorization.

220340511343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7597948696.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 220340511343 its reverse (343115043022), we get a palindrome (563455554365).

The spelling of 220340511343 in words is "two hundred twenty billion, three hundred forty million, five hundred eleven thousand, three hundred forty-three".