20031330332 has 24 divisors (see below), whose sum is σ = 37794001056. Its totient is φ = 9234785088.

The previous prime is 20031330301. The next prime is 20031330379. The reversal of 20031330332 is 23303313002.

It is a congruent number.

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, 171023 + ... + 263270.

It is an arithmetic number, because the mean of its divisors is an integer number (1574750044).

Almost surely, 2^20031330332 is an apocalyptic number.

It is an amenable number.

20031330332 is a deficient number, since it is larger than the sum of its proper divisors (17762670724).

20031330332 is a wasteful number, since it uses less digits than its factorization.

20031330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435197 (or 435195 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20031330332 its reverse (23303313002), we get a palindrome (43334643334).

The spelling of 20031330332 in words is "twenty billion, thirty-one million, three hundred thirty thousand, three hundred thirty-two".