220420205 has 8 divisors (see below), whose sum is σ = 264590592. Its totient is φ = 176278608.

The previous prime is 220420169. The next prime is 220420219. The reversal of 220420205 is 502024022.

220420205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 220420205 - 2¹⁶ = 220354669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17132 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (33073824).

Almost surely, 2^220420205 is an apocalyptic number.

It is an amenable number.

220420205 is a deficient number, since it is larger than the sum of its proper divisors (44170387).

220420205 is an equidigital number, since it uses as much as digits as its factorization.

220420205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 220420205 is about 14846.5553243842. Note that the first 3 decimals coincide. The cubic root of 220420205 is about 604.0651774248.

Adding to 220420205 its reverse (502024022), we get a palindrome (722444227).

The spelling of 220420205 in words is "two hundred twenty million, four hundred twenty thousand, two hundred five".