20104351007104 has 192 divisors, whose sum is σ = 52815349263600. Its totient is φ = 7534770647040.

The previous prime is 20104351007017. The next prime is 20104351007119. The reversal of 20104351007104 is 40170015340102.

It is a super-3 number, since 3×20104351007104³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4939507 + ... + 8037874.

Almost surely, 2^{20104351007104} is an apocalyptic number.

It is an amenable number.

20104351007104 is an abundant number, since it is smaller than the sum of its proper divisors (32710998256496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20104351007104 is a wasteful number, since it uses less digits than its factorization.

20104351007104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977441 (or 12977422 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 20104351007104 its reverse (40170015340102), we get a palindrome (60274366347206).

The spelling of 20104351007104 in words is "twenty trillion, one hundred four billion, three hundred fifty-one million, seven thousand, one hundred four".