20301302120 has 64 divisors (see below), whose sum is σ = 49928918400. Its totient is φ = 7367706880.

The previous prime is 20301302111. The next prime is 20301302159. The reversal of 20301302120 is 2120310302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20301302095 and 20301302104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178637 + ... + 269283.

It is an arithmetic number, because the mean of its divisors is an integer number (780139350).

Almost surely, 2^20301302120 is an apocalyptic number.

20301302120 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 20301302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24964459200).

20301302120 is an abundant number, since it is smaller than the sum of its proper divisors (29627616280).

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

20301302120 is a wasteful number, since it uses less digits than its factorization.

20301302120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91178 (or 91174 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20301302120 its reverse (2120310302), we get a palindrome (22421612422).

The spelling of 20301302120 in words is "twenty billion, three hundred one million, three hundred two thousand, one hundred twenty".