220035601 has 16 divisors (see below), whose sum is σ = 230788800. Its totient is φ = 209603520.

The previous prime is 220035583. The next prime is 220035611. The reversal of 220035601 is 106530022.

It is a happy number.

220035601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220035601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220035611) 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, 390546 + ... + 391108.

It is an arithmetic number, because the mean of its divisors is an integer number (14424300).

Almost surely, 2^220035601 is an apocalyptic number.

It is an amenable number.

220035601 is a deficient number, since it is larger than the sum of its proper divisors (10753199).

220035601 is a wasteful number, since it uses less digits than its factorization.

220035601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 220035601 is about 14833.5970351092. The cubic root of 220035601 is about 603.7136350294.

Adding to 220035601 its reverse (106530022), we get a palindrome (326565623).

The spelling of 220035601 in words is "two hundred twenty million, thirty-five thousand, six hundred one".