110020993 has 2 divisors, whose sum is σ = 110020994. Its totient is φ = 110020992.

The previous prime is 110020987. The next prime is 110021011. The reversal of 110020993 is 399020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100460529 + 9560464 = 10023^2 + 3092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110020993 is a prime.

It is not a weakly prime, because it can be changed into another prime (110020903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010496 + 55010497.

It is an arithmetic number, because the mean of its divisors is an integer number (55010497).

Almost surely, 2^110020993 is an apocalyptic number.

It is an amenable number.

110020993 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020993 is an equidigital number, since it uses as much as digits as its factorization.

110020993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 110020993 is about 10489.0892359632. The cubic root of 110020993 is about 479.1724644575.

The spelling of 110020993 in words is "one hundred ten million, twenty thousand, nine hundred ninety-three".