20331120032 has 24 divisors (see below), whose sum is σ = 40319068356. Its totient is φ = 10091356672.

The previous prime is 20331120001. The next prime is 20331120083. The reversal of 20331120032 is 23002113302.

It can be written as a sum of positive squares in 2 ways, for example, as 18932659216 + 1398460816 = 137596^2 + 37396^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314403 + ... + 2323170.

Almost surely, 2^20331120032 is an apocalyptic number.

It is an amenable number.

20331120032 is a deficient number, since it is larger than the sum of its proper divisors (19987948324).

20331120032 is a wasteful number, since it uses less digits than its factorization.

20331120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637720 (or 4637712 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20331120032 its reverse (23002113302), we get a palindrome (43333233334).

The spelling of 20331120032 in words is "twenty billion, three hundred thirty-one million, one hundred twenty thousand, thirty-two".