220212343 has 16 divisors (see below), whose sum is σ = 243121536. Its totient is φ = 198190080.

The previous prime is 220212323. The next prime is 220212347. The reversal of 220212343 is 343212022.

It is a cyclic number.

It is not a de Polignac number, because 220212343 - 2¹⁷ = 220081271 is a prime.

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 220212343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215173 + ... + 216193.

It is an arithmetic number, because the mean of its divisors is an integer number (15195096).

Almost surely, 2^220212343 is an apocalyptic number.

220212343 is a deficient number, since it is larger than the sum of its proper divisors (22909193).

220212343 is a wasteful number, since it uses less digits than its factorization.

220212343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 220212343 is about 14839.5533288573. The cubic root of 220212343 is about 603.8752346348.

Adding to 220212343 its reverse (343212022), we get a palindrome (563424365).

The spelling of 220212343 in words is "two hundred twenty million, two hundred twelve thousand, three hundred forty-three".