1020030993 has 24 divisors (see below), whose sum is σ = 1510835040. Its totient is φ = 662800320.

The previous prime is 1020030983. The next prime is 1020031021. The reversal of 1020030993 is 3990300201.

It is not a de Polignac number, because 1020030993 - 2⁶ = 1020030929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020030983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199098 + ... + 204156.

It is an arithmetic number, because the mean of its divisors is an integer number (62951460).

Almost surely, 2^1020030993 is an apocalyptic number.

It is an amenable number.

1020030993 is a deficient number, since it is larger than the sum of its proper divisors (490804047).

1020030993 is a wasteful number, since it uses less digits than its factorization.

1020030993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5626 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1020030993 is about 31937.9240558932. The cubic root of 1020030993 is about 1006.6329049659.

The spelling of 1020030993 in words is "one billion, twenty million, thirty thousand, nine hundred ninety-three".