1020230993 has 2 divisors, whose sum is σ = 1020230994. Its totient is φ = 1020230992.

The previous prime is 1020230989. The next prime is 1020231041. The reversal of 1020230993 is 3990320201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 913067089 + 107163904 = 30217^2 + 10352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020230993 - 2² = 1020230989 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020230903) 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, 510115496 + 510115497.

It is an arithmetic number, because the mean of its divisors is an integer number (510115497).

Almost surely, 2^1020230993 is an apocalyptic number.

It is an amenable number.

1020230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020230993 is an equidigital number, since it uses as much as digits as its factorization.

1020230993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1020230993 is about 31941.0549763154. The cubic root of 1020230993 is about 1006.6986916677.

The spelling of 1020230993 in words is "one billion, twenty million, two hundred thirty thousand, nine hundred ninety-three".