173010020 has 48 divisors (see below), whose sum is σ = 391992048. Its totient is φ = 63897600.

The previous prime is 173010001. The next prime is 173010023. The reversal of 173010020 is 20010371.

It can be written as a sum of positive squares in 8 ways, for example, as 18852964 + 154157056 = 4342^2 + 12416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 173009977 and 173010004.

It is not an unprimeable number, because it can be changed into a prime (173010023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13220 + ... + 22820.

It is an arithmetic number, because the mean of its divisors is an integer number (8166501).

Almost surely, 2^173010020 is an apocalyptic number.

173010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195996024).

173010020 is an abundant number, since it is smaller than the sum of its proper divisors (218982028).

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

173010020 is a wasteful number, since it uses less digits than its factorization.

173010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9680 (or 9678 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 173010020 is about 13153.3273356972. The cubic root of 173010020 is about 557.2162229550.

Adding to 173010020 its reverse (20010371), we get a palindrome (193020391).

The spelling of 173010020 in words is "one hundred seventy-three million, ten thousand, twenty".