220002209989 has 2 divisors, whose sum is σ = 220002209990. Its totient is φ = 220002209988.

The previous prime is 220002209953. The next prime is 220002210011. The reversal of 220002209989 is 989902200022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184541553889 + 35460656100 = 429583^2 + 188310^2 .

It is a cyclic number.

It is not a de Polignac number, because 220002209989 - 2²¹ = 220000112837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002200989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001104994 + 110001104995.

It is an arithmetic number, because the mean of its divisors is an integer number (110001104995).

Almost surely, 2^220002209989 is an apocalyptic number.

It is an amenable number.

220002209989 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002209989 is an equidigital number, since it uses as much as digits as its factorization.

220002209989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 220002209989 in words is "two hundred twenty billion, two million, two hundred nine thousand, nine hundred eighty-nine".