20113230120 has 32 divisors (see below), whose sum is σ = 60339690720. Its totient is φ = 5363528000.

The previous prime is 20113230113. The next prime is 20113230133. The reversal of 20113230120 is 2103231102.

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 20113230120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83805006 + ... + 83805245.

It is an arithmetic number, because the mean of its divisors is an integer number (1885615335).

Almost surely, 2^20113230120 is an apocalyptic number.

20113230120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113230120 is an abundant number, since it is smaller than the sum of its proper divisors (40226460600).

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

20113230120 is a wasteful number, since it uses less digits than its factorization.

20113230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167610265 (or 167610261 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20113230120 its reverse (2103231102), we get a palindrome (22216461222).

The spelling of 20113230120 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred twenty".