20022202201 has 2 divisors, whose sum is σ = 20022202202. Its totient is φ = 20022202200.

The previous prime is 20022202199. The next prime is 20022202267. The reversal of 20022202201 is 10220222002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17035470400 + 2986731801 = 130520^2 + 54651^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022202201 - 2¹ = 20022202199 is a prime.

Together with 20022202199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20022202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011101100 + 10011101101.

It is an arithmetic number, because the mean of its divisors is an integer number (10011101101).

Almost surely, 2^20022202201 is an apocalyptic number.

It is an amenable number.

20022202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022202201 is an equidigital number, since it uses as much as digits as its factorization.

20022202201 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 20022202201 its reverse (10220222002), we get a palindrome (30242424203).

The spelling of 20022202201 in words is "twenty billion, twenty-two million, two hundred two thousand, two hundred one".