20120332232 has 128 divisors (see below), whose sum is σ = 51484204800. Its totient is φ = 7117286400.

The previous prime is 20120332217. The next prime is 20120332241. The reversal of 20120332232 is 23223302102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467894 + ... + 509082.

It is an arithmetic number, because the mean of its divisors is an integer number (402220350).

Almost surely, 2^20120332232 is an apocalyptic number.

20120332232 is a gapful number since it is divisible by the number (22) 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 20120332232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25742102400).

20120332232 is an abundant number, since it is smaller than the sum of its proper divisors (31363872568).

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

20120332232 is a wasteful number, since it uses less digits than its factorization.

20120332232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41287 (or 41283 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20120332232 its reverse (23223302102), we get a palindrome (43343634334).

The spelling of 20120332232 in words is "twenty billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirty-two".