2001255160 has 32 divisors (see below), whose sum is σ = 4570036560. Its totient is φ = 788553216.

The previous prime is 2001255119. The next prime is 2001255173. The reversal of 2001255160 is 615521002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370689 + ... + 376048.

Almost surely, 2^2001255160 is an apocalyptic number.

2001255160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001255160 is an abundant number, since it is smaller than the sum of its proper divisors (2568781400).

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

2001255160 is a wasteful number, since it uses less digits than its factorization.

2001255160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746815 (or 746811 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2001255160 is about 44735.3904643740. The cubic root of 2001255160 is about 1260.1845618618.

Adding to 2001255160 its reverse (615521002), we get a palindrome (2616776162).

The spelling of 2001255160 in words is "two billion, one million, two hundred fifty-five thousand, one hundred sixty".