20031332232 has 32 divisors (see below), whose sum is σ = 50085129600. Its totient is φ = 6676204224.

The previous prime is 20031332221. The next prime is 20031332257. The reversal of 20031332232 is 23223313002.

It is a junction number, because it is equal to n+sod(n) for n = 20031332199 and 20031332208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137358 + ... + 242754.

It is an arithmetic number, because the mean of its divisors is an integer number (1565160300).

Almost surely, 2^20031332232 is an apocalyptic number.

It is an amenable number.

20031332232 is an abundant number, since it is smaller than the sum of its proper divisors (30053797368).

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

20031332232 is a wasteful number, since it uses less digits than its factorization.

20031332232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113325 (or 113321 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20031332232 its reverse (23223313002), we get a palindrome (43254645234).

The spelling of 20031332232 in words is "twenty billion, thirty-one million, three hundred thirty-two thousand, two hundred thirty-two".