20300232120 has 128 divisors (see below), whose sum is σ = 69679180800. Its totient is φ = 4634827776.

The previous prime is 20300232119. The next prime is 20300232131. The reversal of 20300232120 is 2123200302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20300232120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758812 + ... + 785108.

It is an arithmetic number, because the mean of its divisors is an integer number (544368600).

Almost surely, 2^20300232120 is an apocalyptic number.

20300232120 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 20300232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34839590400).

20300232120 is an abundant number, since it is smaller than the sum of its proper divisors (49378948680).

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

20300232120 is a wasteful number, since it uses less digits than its factorization.

20300232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27237 (or 27233 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20300232120 its reverse (2123200302), we get a palindrome (22423432422).

The spelling of 20300232120 in words is "twenty billion, three hundred million, two hundred thirty-two thousand, one hundred twenty".