20031322133204 has 24 divisors (see below), whose sum is σ = 35643783604128. Its totient is φ = 9847936596960.

The previous prime is 20031322133191. The next prime is 20031322133231. The reversal of 20031322133204 is 40233122313002.

It is a happy number.

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, 68934254 + ... + 69224229.

It is an arithmetic number, because the mean of its divisors is an integer number (1485157650172).

Almost surely, 2^{20031322133204} is an apocalyptic number.

It is an amenable number.

20031322133204 is a deficient number, since it is larger than the sum of its proper divisors (15612461470924).

20031322133204 is a wasteful number, since it uses less digits than its factorization.

20031322133204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138159095 (or 138159093 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20031322133204 its reverse (40233122313002), we get a palindrome (60264444446206).

The spelling of 20031322133204 in words is "twenty trillion, thirty-one billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred four".