220030120993 has 2 divisors, whose sum is σ = 220030120994. Its totient is φ = 220030120992.

The previous prime is 220030120963. The next prime is 220030121041. The reversal of 220030120993 is 399021030022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147684184209 + 72345936784 = 384297^2 + 268972^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220030120993 is a prime.

It is not a weakly prime, because it can be changed into another prime (220030120963) 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, 110015060496 + 110015060497.

It is an arithmetic number, because the mean of its divisors is an integer number (110015060497).

Almost surely, 2^220030120993 is an apocalyptic number.

It is an amenable number.

220030120993 is a deficient number, since it is larger than the sum of its proper divisors (1).

220030120993 is an equidigital number, since it uses as much as digits as its factorization.

220030120993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 220030120993 in words is "two hundred twenty billion, thirty million, one hundred twenty thousand, nine hundred ninety-three".