1030018820 has 12 divisors (see below), whose sum is σ = 2163039564. Its totient is φ = 412007520.

The previous prime is 1030018819. The next prime is 1030018837. The reversal of 1030018820 is 288100301.

1030018820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 756910144 + 273108676 = 27512^2 + 16526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25750451 + ... + 25750490.

It is an arithmetic number, because the mean of its divisors is an integer number (180253297).

Almost surely, 2^1030018820 is an apocalyptic number.

1030018820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030018820 is an abundant number, since it is smaller than the sum of its proper divisors (1133020744).

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

1030018820 is a wasteful number, since it uses less digits than its factorization.

1030018820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51500950 (or 51500948 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1030018820 is about 32093.9062751794. The cubic root of 1030018820 is about 1009.9077849344.

The spelling of 1030018820 in words is "one billion, thirty million, eighteen thousand, eight hundred twenty".