220340043 has 96 divisors (see below), whose sum is σ = 428613120. Its totient is φ = 105569280.

The previous prime is 220340039. The next prime is 220340053. The reversal of 220340043 is 340043022.

220340043 is a `hidden beast` number, since 220 + 3 + 400 + 43 = 666.

220340043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220340043 - 2² = 220340039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220339998 and 220340025.

It is not an unprimeable number, because it can be changed into a prime (220340053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 694921 + ... + 695237.

It is an arithmetic number, because the mean of its divisors is an integer number (4464720).

Almost surely, 2^220340043 is an apocalyptic number.

220340043 is a deficient number, since it is larger than the sum of its proper divisors (208273077).

220340043 is a wasteful number, since it uses less digits than its factorization.

220340043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220340043 is about 14843.8553954153. The cubic root of 220340043 is about 603.9919401217.

Adding to 220340043 its reverse (340043022), we get a palindrome (560383065).

The spelling of 220340043 in words is "two hundred twenty million, three hundred forty thousand, forty-three".