220551343 has 4 divisors (see below), whose sum is σ = 225680488. Its totient is φ = 215422200.

The previous prime is 220551311. The next prime is 220551349. The reversal of 220551343 is 343155022.

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 220551343 - 2⁵ = 220551311 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 (220551349) 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, 2564508 + ... + 2564593.

It is an arithmetic number, because the mean of its divisors is an integer number (56420122).

Almost surely, 2^220551343 is an apocalyptic number.

220551343 is a deficient number, since it is larger than the sum of its proper divisors (5129145).

220551343 is an equidigital number, since it uses as much as digits as its factorization.

220551343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129144.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 220551343 is about 14850.9711130283. The cubic root of 220551343 is about 604.1849489534.

The spelling of 220551343 in words is "two hundred twenty million, five hundred fifty-one thousand, three hundred forty-three".