220020000001 has 2 divisors, whose sum is σ = 220020000002. Its totient is φ = 220020000000.

The previous prime is 220019999993. The next prime is 220020000029. The reversal of 220020000001 is 100000020022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212174469376 + 7845530625 = 460624^2 + 88575^2 .

It is a cyclic number.

It is not a de Polignac number, because 220020000001 - 2³ = 220019999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (220020000601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010000000 + 110010000001.

It is an arithmetic number, because the mean of its divisors is an integer number (110010000001).

Almost surely, 2^220020000001 is an apocalyptic number.

It is an amenable number.

220020000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020000001 is an equidigital number, since it uses as much as digits as its factorization.

220020000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 220020000001 its reverse (100000020022), we get a palindrome (320020020023).

The spelling of 220020000001 in words is "two hundred twenty billion, twenty million, one", and thus it is an aban number.