320112302020 has 192 divisors, whose sum is σ = 796737908736. Its totient is φ = 105765004800.

The previous prime is 320112301997. The next prime is 320112302039. The reversal of 320112302020 is 20203211023.

It is a junction number, because it is equal to n+sod(n) for n = 320112301985 and 320112302003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142715019 + ... + 142717261.

It is an arithmetic number, because the mean of its divisors is an integer number (4149676608).

Almost surely, 2^320112302020 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 320112302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398368954368).

320112302020 is an abundant number, since it is smaller than the sum of its proper divisors (476625606716).

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

320112302020 is a wasteful number, since it uses less digits than its factorization.

320112302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320112302020 its reverse (20203211023), we get a palindrome (340315513043).

The spelling of 320112302020 in words is "three hundred twenty billion, one hundred twelve million, three hundred two thousand, twenty".