220206336601 has 2 divisors, whose sum is σ = 220206336602. Its totient is φ = 220206336600.

The previous prime is 220206336569. The next prime is 220206336631. The reversal of 220206336601 is 106633602022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192612143376 + 27594193225 = 438876^2 + 166115^2 .

It is a cyclic number.

It is not a de Polignac number, because 220206336601 - 2⁵ = 220206336569 is a prime.

It is not a weakly prime, because it can be changed into another prime (220206336631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110103168300 + 110103168301.

It is an arithmetic number, because the mean of its divisors is an integer number (110103168301).

Almost surely, 2^220206336601 is an apocalyptic number.

It is an amenable number.

220206336601 is a deficient number, since it is larger than the sum of its proper divisors (1).

220206336601 is an equidigital number, since it uses as much as digits as its factorization.

220206336601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 220206336601 its reverse (106633602022), we get a palindrome (326839938623).

The spelling of 220206336601 in words is "two hundred twenty billion, two hundred six million, three hundred thirty-six thousand, six hundred one".