1000203930 has 64 divisors (see below), whose sum is σ = 2909692800. Its totient is φ = 242472960.

The previous prime is 1000203929. The next prime is 1000203949. The reversal of 1000203930 is 393020001.

1000203930 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 165415 + ... + 171354.

It is an arithmetic number, because the mean of its divisors is an integer number (45463950).

Almost surely, 2^1000203930 is an apocalyptic number.

1000203930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000203930 is an abundant number, since it is smaller than the sum of its proper divisors (1909488870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000203930 is a wasteful number, since it uses less digits than its factorization.

1000203930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336796 (or 336790 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1000203930 is about 31626.0008537279. Note that the first 3 decimals coincide. The cubic root of 1000203930 is about 1000.0679720464.

Adding to 1000203930 its reverse (393020001), we get a palindrome (1393223931).

The spelling of 1000203930 in words is "one billion, two hundred three thousand, nine hundred thirty".