20000232120 has 256 divisors, whose sum is σ = 66572513280. Its totient is φ = 4766515200.

The previous prime is 20000232113. The next prime is 20000232139. The reversal of 20000232120 is 2123200002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20000232096 and 20000232105.

It is a congruent number.

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, 23174809 + ... + 23175671.

It is an arithmetic number, because the mean of its divisors is an integer number (260048880).

Almost surely, 2^20000232120 is an apocalyptic number.

20000232120 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 20000232120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33286256640).

20000232120 is an abundant number, since it is smaller than the sum of its proper divisors (46572281160).

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

20000232120 is a wasteful number, since it uses less digits than its factorization.

20000232120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000232120 its reverse (2123200002), we get a palindrome (22123432122).

The spelling of 20000232120 in words is "twenty billion, two hundred thirty-two thousand, one hundred twenty".