201260660 has 24 divisors (see below), whose sum is σ = 423288096. Its totient is φ = 80382240.

The previous prime is 201260651. The next prime is 201260681. The reversal of 201260660 is 66062102.

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, 6539 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (17637004).

Almost surely, 2^201260660 is an apocalyptic number.

201260660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201260660 is an abundant number, since it is smaller than the sum of its proper divisors (222027436).

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

201260660 is a wasteful number, since it uses less digits than its factorization.

201260660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15263 (or 15261 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 201260660 is about 14186.6366697678. The cubic root of 201260660 is about 586.0297056932.

The spelling of 201260660 in words is "two hundred one million, two hundred sixty thousand, six hundred sixty".