2030306868 has 18 divisors (see below), whose sum is σ = 5132164674. Its totient is φ = 676768944.

The previous prime is 2030306867. The next prime is 2030306897. The reversal of 2030306868 is 8686030302.

It can be written as a sum of positive squares in only one way, i.e., 1993801104 + 36505764 = 44652^2 + 6042^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56397413 = 2030306868 / (2 + 0 + 3 + 0 + 3 + 0 + 6 + 8 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030306867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28198671 + ... + 28198742.

Almost surely, 2^2030306868 is an apocalyptic number.

It is an amenable number.

2030306868 is an abundant number, since it is smaller than the sum of its proper divisors (3101857806).

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

2030306868 is a wasteful number, since it uses less digits than its factorization.

2030306868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56397423 (or 56397418 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2030306868 is about 45058.9266183739. The cubic root of 2030306868 is about 1266.2532155993.

The spelling of 2030306868 in words is "two billion, thirty million, three hundred six thousand, eight hundred sixty-eight".