20303412324 has 192 divisors, whose sum is σ = 54948741120. Its totient is φ = 5779630080.

The previous prime is 20303412253. The next prime is 20303412329. The reversal of 20303412324 is 42321430302.

It is a junction number, because it is equal to n+sod(n) for n = 20303412294 and 20303412303.

It is not an unprimeable number, because it can be changed into a prime (20303412329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65284129 + ... + 65284439.

It is an arithmetic number, because the mean of its divisors is an integer number (286191360).

Almost surely, 2^20303412324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303412324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27474370560).

20303412324 is an abundant number, since it is smaller than the sum of its proper divisors (34645328796).

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

20303412324 is a wasteful number, since it uses less digits than its factorization.

20303412324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20303412324 its reverse (42321430302), we get a palindrome (62624842626).

The spelling of 20303412324 in words is "twenty billion, three hundred three million, four hundred twelve thousand, three hundred twenty-four".