20031320103332 has 6 divisors (see below), whose sum is σ = 35054810180838. Its totient is φ = 10015660051664.

The previous prime is 20031320103317. The next prime is 20031320103343. The reversal of 20031320103332 is 23330102313002.

It can be written as a sum of positive squares in only one way, i.e., 15214945601956 + 4816374501376 = 3900634^2 + 2194624^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20031320103298 and 20031320103307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503915012913 + ... + 2503915012920.

It is an arithmetic number, because the mean of its divisors is an integer number (5842468363473).

Almost surely, 2^{20031320103332} is an apocalyptic number.

It is an amenable number.

20031320103332 is a deficient number, since it is larger than the sum of its proper divisors (15023490077506).

20031320103332 is a wasteful number, since it uses less digits than its factorization.

20031320103332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007830025837 (or 5007830025835 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20031320103332 its reverse (23330102313002), we get a palindrome (43361422416334).

The spelling of 20031320103332 in words is "twenty trillion, thirty-one billion, three hundred twenty million, one hundred three thousand, three hundred thirty-two".