220959997943 has 2 divisors, whose sum is σ = 220959997944. Its totient is φ = 220959997942.

The previous prime is 220959997933. The next prime is 220959998003. The reversal of 220959997943 is 349799959022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220959997943 - 2⁴ = 220959997927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220959997903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110479998971 + 110479998972.

It is an arithmetic number, because the mean of its divisors is an integer number (110479998972).

Almost surely, 2^220959997943 is an apocalyptic number.

220959997943 is a deficient number, since it is larger than the sum of its proper divisors (1).

220959997943 is an equidigital number, since it uses as much as digits as its factorization.

220959997943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99202320, while the sum is 68.

The spelling of 220959997943 in words is "two hundred twenty billion, nine hundred fifty-nine million, nine hundred ninety-seven thousand, nine hundred forty-three".