220220101009 has 2 divisors, whose sum is σ = 220220101010. Its totient is φ = 220220101008.

The previous prime is 220220100967. The next prime is 220220101039. The reversal of 220220101009 is 900101022022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159802461009 + 60417640000 = 399753^2 + 245800^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220101009 - 2⁹ = 220220100497 is a prime.

It is not a weakly prime, because it can be changed into another prime (220220101039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110050504 + 110110050505.

It is an arithmetic number, because the mean of its divisors is an integer number (110110050505).

Almost surely, 2^220220101009 is an apocalyptic number.

It is an amenable number.

220220101009 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220101009 is an equidigital number, since it uses as much as digits as its factorization.

220220101009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 220220101009 in words is "two hundred twenty billion, two hundred twenty million, one hundred one thousand, nine".