220443029 has 4 divisors (see below), whose sum is σ = 233410284. Its totient is φ = 207475776.

The previous prime is 220443011. The next prime is 220443037. The reversal of 220443029 is 920344022.

220443029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207302404 + 13140625 = 14398^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 220443029 - 2²⁰ = 219394453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220442989 and 220443007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220443049) 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, 6483602 + ... + 6483635.

It is an arithmetic number, because the mean of its divisors is an integer number (58352571).

Almost surely, 2^220443029 is an apocalyptic number.

It is an amenable number.

220443029 is a deficient number, since it is larger than the sum of its proper divisors (12967255).

220443029 is a wasteful number, since it uses less digits than its factorization.

220443029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967254.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 220443029 is about 14847.3239676381. The cubic root of 220443029 is about 604.0860265536.

The spelling of 220443029 in words is "two hundred twenty million, four hundred forty-three thousand, twenty-nine".