20300008 has 8 divisors (see below), whose sum is σ = 38062530. Its totient is φ = 10150000.

The previous prime is 20300003. The next prime is 20300011. The reversal of 20300008 is 80000302.

It can be written as a sum of positive squares in only one way, i.e., 13235044 + 7064964 = 3638^2 + 2658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20300003) 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 as a sum of consecutive naturals, namely, 1268743 + ... + 1268758.

Almost surely, 2^20300008 is an apocalyptic number.

It is an amenable number.

20300008 is a deficient number, since it is larger than the sum of its proper divisors (17762522).

20300008 is a wasteful number, since it uses less digits than its factorization.

20300008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537507 (or 2537503 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20300008 is about 4505.5530182210. The cubic root of 20300008 is about 272.7922762495.

The spelling of 20300008 in words is "twenty million, three hundred thousand, eight".