220102002709 has 2 divisors, whose sum is σ = 220102002710. Its totient is φ = 220102002708.

The previous prime is 220102002691. The next prime is 220102002719. The reversal of 220102002709 is 907200201022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207343622500 + 12758380209 = 455350^2 + 112953^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102002709 - 2⁵ = 220102002677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220102002719) 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, 110051001354 + 110051001355.

It is an arithmetic number, because the mean of its divisors is an integer number (110051001355).

Almost surely, 2^220102002709 is an apocalyptic number.

It is an amenable number.

220102002709 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102002709 is an equidigital number, since it uses as much as digits as its factorization.

220102002709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 220102002709 in words is "two hundred twenty billion, one hundred two million, two thousand, seven hundred nine".