20300310320 has 160 divisors (see below), whose sum is σ = 51080730624. Its totient is φ = 7486617600.

The previous prime is 20300310307. The next prime is 20300310341. The reversal of 20300310320 is 2301300302.

It is a junction number, because it is equal to n+sod(n) for n = 20300310295 and 20300310304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4369919 + ... + 4374561.

Almost surely, 2^20300310320 is an apocalyptic number.

20300310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25540365312).

20300310320 is an abundant number, since it is smaller than the sum of its proper divisors (30780420304).

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

20300310320 is a wasteful number, since it uses less digits than its factorization.

20300310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20300310320 its reverse (2301300302), we get a palindrome (22601610622).

The spelling of 20300310320 in words is "twenty billion, three hundred million, three hundred ten thousand, three hundred twenty".