220313309987 has 2 divisors, whose sum is σ = 220313309988. Its totient is φ = 220313309986.

The previous prime is 220313309963. The next prime is 220313310029. The reversal of 220313309987 is 789903313022.

220313309987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220313309987 - 2¹⁶ = 220313244451 is a prime.

It is not a weakly prime, because it can be changed into another prime (220313309927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110156654993 + 110156654994.

It is an arithmetic number, because the mean of its divisors is an integer number (110156654994).

Almost surely, 2^220313309987 is an apocalyptic number.

220313309987 is a deficient number, since it is larger than the sum of its proper divisors (1).

220313309987 is an equidigital number, since it uses as much as digits as its factorization.

220313309987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 220313309987 in words is "two hundred twenty billion, three hundred thirteen million, three hundred nine thousand, nine hundred eighty-seven".