20303120324 has 6 divisors (see below), whose sum is σ = 35530460574. Its totient is φ = 10151560160.

The previous prime is 20303120291. The next prime is 20303120359. The reversal of 20303120324 is 42302130302.

It can be written as a sum of positive squares in only one way, i.e., 12843688900 + 7459431424 = 113330^2 + 86368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20303120296 and 20303120305.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537890037 + ... + 2537890044.

It is an arithmetic number, because the mean of its divisors is an integer number (5921743429).

Almost surely, 2^20303120324 is an apocalyptic number.

It is an amenable number.

20303120324 is a deficient number, since it is larger than the sum of its proper divisors (15227340250).

20303120324 is a wasteful number, since it uses less digits than its factorization.

20303120324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075780085 (or 5075780083 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20303120324 its reverse (42302130302), we get a palindrome (62605250626).

The spelling of 20303120324 in words is "twenty billion, three hundred three million, one hundred twenty thousand, three hundred twenty-four".