220432241989 has 2 divisors, whose sum is σ = 220432241990. Its totient is φ = 220432241988.

The previous prime is 220432241963. The next prime is 220432242047. The reversal of 220432241989 is 989142234022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208858140100 + 11574101889 = 457010^2 + 107583^2 .

It is a cyclic number.

It is not a de Polignac number, because 220432241989 - 2³⁷ = 82993288517 is a prime.

It is a super-2 number, since 2×220432241989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220432241389) 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, 110216120994 + 110216120995.

It is an arithmetic number, because the mean of its divisors is an integer number (110216120995).

Almost surely, 2^220432241989 is an apocalyptic number.

It is an amenable number.

220432241989 is a deficient number, since it is larger than the sum of its proper divisors (1).

220432241989 is an equidigital number, since it uses as much as digits as its factorization.

220432241989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 220432241989 in words is "two hundred twenty billion, four hundred thirty-two million, two hundred forty-one thousand, nine hundred eighty-nine".