220223239993 has 2 divisors, whose sum is σ = 220223239994. Its totient is φ = 220223239992.

The previous prime is 220223239991. The next prime is 220223240023. The reversal of 220223239993 is 399932322022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145536909049 + 74686330944 = 381493^2 + 273288^2 .

It is a cyclic number.

It is not a de Polignac number, because 220223239993 - 2¹ = 220223239991 is a prime.

Together with 220223239991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (220223239991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110111619996 + 110111619997.

It is an arithmetic number, because the mean of its divisors is an integer number (110111619997).

Almost surely, 2^220223239993 is an apocalyptic number.

It is an amenable number.

220223239993 is a deficient number, since it is larger than the sum of its proper divisors (1).

220223239993 is an equidigital number, since it uses as much as digits as its factorization.

220223239993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 220223239993 in words is "two hundred twenty billion, two hundred twenty-three million, two hundred thirty-nine thousand, nine hundred ninety-three".