20308106304 has 42 divisors (see below), whose sum is σ = 58209521630. Its totient is φ = 6769368576.

The previous prime is 20308106297. The next prime is 20308106317. The reversal of 20308106304 is 40360180302.

It is a happy number.

20308106304 is a `hidden beast` number, since 20 + 3 + 0 + 8 + 1 + 0 + 630 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12642753600 + 7665352704 = 112440^2 + 87552^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17627989 + ... + 17629140.

Almost surely, 2^20308106304 is an apocalyptic number.

20308106304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20308106304 is an abundant number, since it is smaller than the sum of its proper divisors (37901415326).

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

20308106304 is a wasteful number, since it uses less digits than its factorization.

20308106304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35257147 (or 35257134 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 20308106304 its reverse (40360180302), we get a palindrome (60668286606).

The spelling of 20308106304 in words is "twenty billion, three hundred eight million, one hundred six thousand, three hundred four".