1020030398 has 24 divisors (see below), whose sum is σ = 1589289312. Its totient is φ = 490980672.

The previous prime is 1020030397. The next prime is 1020030433. The reversal of 1020030398 is 8930300201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020030397) 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 in 11 ways as a sum of consecutive naturals, for example, 768011 + ... + 769337.

It is an arithmetic number, because the mean of its divisors is an integer number (66220388).

Almost surely, 2^1020030398 is an apocalyptic number.

1020030398 is a deficient number, since it is larger than the sum of its proper divisors (569258914).

1020030398 is a wasteful number, since it uses less digits than its factorization.

1020030398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1020030398 is about 31937.9147409470. The cubic root of 1020030398 is about 1006.6327092376.

Adding to 1020030398 its reverse (8930300201), we get a palindrome (9950330599).

The spelling of 1020030398 in words is "one billion, twenty million, thirty thousand, three hundred ninety-eight".