20004310573173 has 64 divisors (see below), whose sum is σ = 30451486813440. Its totient is φ = 12974200012800.

The previous prime is 20004310573111. The next prime is 20004310573193. The reversal of 20004310573173 is 37137501340002.

20004310573173 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 4 + 3 + 10 + 573 + 1 + 73 = 666.

It is not a de Polignac number, because 20004310573173 - 2¹⁰ = 20004310572149 is a prime.

It is a super-2 number, since 2×20004310573173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004310573193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259889413 + ... + 259966373.

It is an arithmetic number, because the mean of its divisors is an integer number (475804481460).

Almost surely, 2^{20004310573173} is an apocalyptic number.

It is an amenable number.

20004310573173 is a deficient number, since it is larger than the sum of its proper divisors (10447176240267).

20004310573173 is a wasteful number, since it uses less digits than its factorization.

20004310573173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78755 (or 78749 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 20004310573173 in words is "twenty trillion, four billion, three hundred ten million, five hundred seventy-three thousand, one hundred seventy-three".