220040043 has 16 divisors (see below), whose sum is σ = 299911680. Its totient is φ = 143466336.

The previous prime is 220040039. The next prime is 220040063. The reversal of 220040043 is 340040022.

It is a happy number.

It is not a de Polignac number, because 220040043 - 2² = 220040039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220040063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21021 + ... + 29697.

It is an arithmetic number, because the mean of its divisors is an integer number (18744480).

Almost surely, 2^220040043 is an apocalyptic number.

220040043 is a deficient number, since it is larger than the sum of its proper divisors (79871637).

220040043 is a wasteful number, since it uses less digits than its factorization.

220040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8866.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 220040043 is about 14833.7467620288. The cubic root of 220040043 is about 603.7176975203.

Adding to 220040043 its reverse (340040022), we get a palindrome (560080065).

The spelling of 220040043 in words is "two hundred twenty million, forty thousand, forty-three".