220000043 has 8 divisors (see below), whose sum is σ = 233321760. Its totient is φ = 206720640.

The previous prime is 220000013. The next prime is 220000051. The reversal of 220000043 is 340000022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219999979 and 220000033.

It is not an unprimeable number, because it can be changed into a prime (220000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (29165220).

Almost surely, 2^220000043 is an apocalyptic number.

220000043 is a deficient number, since it is larger than the sum of its proper divisors (13321717).

220000043 is a wasteful number, since it uses less digits than its factorization.

220000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21157.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 220000043 is about 14832.3984237210. The cubic root of 220000043 is about 603.6811130105.

Adding to 220000043 its reverse (340000022), we get a palindrome (560000065).

The spelling of 220000043 in words is "two hundred twenty million, forty-three", and thus it is an aban number.