170020200105 has 48 divisors (see below), whose sum is σ = 336991299840. Its totient is φ = 77679817344.

The previous prime is 170020200083. The next prime is 170020200137. The reversal of 170020200105 is 501002020071.

It is not a de Polignac number, because 170020200105 - 2²⁸ = 169751764649 is a prime.

It is a super-2 number, since 2×170020200105² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412684 + ... + 714386.

It is an arithmetic number, because the mean of its divisors is an integer number (7020652080).

Almost surely, 2^170020200105 is an apocalyptic number.

170020200105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

170020200105 is a deficient number, since it is larger than the sum of its proper divisors (166971099735).

170020200105 is a wasteful number, since it uses less digits than its factorization.

170020200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303510 (or 303507 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

Adding to 170020200105 its reverse (501002020071), we get a palindrome (671022220176).

The spelling of 170020200105 in words is "one hundred seventy billion, twenty million, two hundred thousand, one hundred five".