220020202201 has 2 divisors, whose sum is σ = 220020202202. Its totient is φ = 220020202200.

The previous prime is 220020202117. The next prime is 220020202211. The reversal of 220020202201 is 102202020022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218201094400 + 1819107801 = 467120^2 + 42651^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020202201 - 2²¹ = 220018105049 is a prime.

It is not a weakly prime, because it can be changed into another prime (220020202211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010101100 + 110010101101.

It is an arithmetic number, because the mean of its divisors is an integer number (110010101101).

Almost surely, 2^220020202201 is an apocalyptic number.

It is an amenable number.

220020202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020202201 is an equidigital number, since it uses as much as digits as its factorization.

220020202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220020202201 its reverse (102202020022), we get a palindrome (322222222223).

The spelling of 220020202201 in words is "two hundred twenty billion, twenty million, two hundred two thousand, two hundred one".