20004310521116 has 12 divisors (see below), whose sum is σ = 35007718547760. Its totient is φ = 10002105221760.

The previous prime is 20004310521077. The next prime is 20004310521137. The reversal of 20004310521116 is 61112501340002.

It is a congruent number.

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, 11602901 + ... + 13214988.

It is an arithmetic number, because the mean of its divisors is an integer number (2917309878980).

Almost surely, 2^{20004310521116} is an apocalyptic number.

It is an amenable number.

20004310521116 is a deficient number, since it is larger than the sum of its proper divisors (15003408026644).

20004310521116 is a wasteful number, since it uses less digits than its factorization.

20004310521116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25019404 (or 25019402 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 20004310521116 its reverse (61112501340002), we get a palindrome (81116811861118).

The spelling of 20004310521116 in words is "twenty trillion, four billion, three hundred ten million, five hundred twenty-one thousand, one hundred sixteen".