2000020306 has 4 divisors (see below), whose sum is σ = 3000030462. Its totient is φ = 1000010152.

The previous prime is 2000020279. The next prime is 2000020339. The reversal of 2000020306 is 6030200002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1248986281 + 751034025 = 35341^2 + 27405^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005075 + ... + 500005078.

Almost surely, 2^2000020306 is an apocalyptic number.

2000020306 is a deficient number, since it is larger than the sum of its proper divisors (1000010156).

2000020306 is a wasteful number, since it uses less digits than its factorization.

2000020306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000010155.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2000020306 is about 44721.5865774013. The cubic root of 2000020306 is about 1259.9253138732.

Adding to 2000020306 its reverse (6030200002), we get a palindrome (8030220308).

The spelling of 2000020306 in words is "two billion, twenty thousand, three hundred six".