170201041920 has 1056 divisors, whose sum is σ = 746133268608. Its totient is φ = 34908143616.

The previous prime is 170201041891. The next prime is 170201041991. The reversal of 170201041920 is 29140102071.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155150812 + ... + 155151908.

Almost surely, 2^170201041920 is an apocalyptic number.

170201041920 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 170201041920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373066634304).

170201041920 is an abundant number, since it is smaller than the sum of its proper divisors (575932226688).

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

170201041920 is a wasteful number, since it uses less digits than its factorization.

170201041920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 170201041920 its reverse (29140102071), we get a palindrome (199341143991).

The spelling of 170201041920 in words is "one hundred seventy billion, two hundred one million, forty-one thousand, nine hundred twenty".