20301302320 has 240 divisors, whose sum is σ = 53956046592. Its totient is φ = 7051898880.

The previous prime is 20301302269. The next prime is 20301302323. The reversal of 20301302320 is 2320310302.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20301302294 and 20301302303.

It is not an unprimeable number, because it can be changed into a prime (20301302323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186250426 + ... + 186250534.

Almost surely, 2^20301302320 is an apocalyptic number.

20301302320 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 20301302320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26978023296).

20301302320 is an abundant number, since it is smaller than the sum of its proper divisors (33654744272).

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

20301302320 is a wasteful number, since it uses less digits than its factorization.

20301302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20301302320 its reverse (2320310302), we get a palindrome (22621612622).

The spelling of 20301302320 in words is "twenty billion, three hundred one million, three hundred two thousand, three hundred twenty".