20305303282 has 8 divisors (see below), whose sum is σ = 33226859952. Its totient is φ = 9229683300.

The previous prime is 20305303267. The next prime is 20305303289. The reversal of 20305303282 is 28230350302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20305303282.

It is not an unprimeable number, because it can be changed into a prime (20305303289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461484144 + ... + 461484187.

It is an arithmetic number, because the mean of its divisors is an integer number (4153357494).

Almost surely, 2^20305303282 is an apocalyptic number.

20305303282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20305303282 is a deficient number, since it is larger than the sum of its proper divisors (12921556670).

20305303282 is a wasteful number, since it uses less digits than its factorization.

20305303282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922968344.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 20305303282 its reverse (28230350302), we get a palindrome (48535653584).

The spelling of 20305303282 in words is "twenty billion, three hundred five million, three hundred three thousand, two hundred eighty-two".