220132020989 has 2 divisors, whose sum is σ = 220132020990. Its totient is φ = 220132020988.

The previous prime is 220132020811. The next prime is 220132021037. The reversal of 220132020989 is 989020231022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216636255364 + 3495765625 = 465442^2 + 59125^2 .

It is a cyclic number.

It is not a de Polignac number, because 220132020989 - 2⁸ = 220132020733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220132022989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110066010494 + 110066010495.

It is an arithmetic number, because the mean of its divisors is an integer number (110066010495).

Almost surely, 2^220132020989 is an apocalyptic number.

It is an amenable number.

220132020989 is a deficient number, since it is larger than the sum of its proper divisors (1).

220132020989 is an equidigital number, since it uses as much as digits as its factorization.

220132020989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 220132020989 in words is "two hundred twenty billion, one hundred thirty-two million, twenty thousand, nine hundred eighty-nine".