215201260 has 12 divisors (see below), whose sum is σ = 451922688. Its totient is φ = 86080496.

The previous prime is 215201243. The next prime is 215201267. The reversal of 215201260 is 62102512.

It is not an unprimeable number, because it can be changed into a prime (215201267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5380012 + ... + 5380051.

It is an arithmetic number, because the mean of its divisors is an integer number (37660224).

Almost surely, 2^215201260 is an apocalyptic number.

215201260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215201260 is an abundant number, since it is smaller than the sum of its proper divisors (236721428).

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

215201260 is a wasteful number, since it uses less digits than its factorization.

215201260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760072 (or 10760070 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215201260 is about 14669.7396023242. The cubic root of 215201260 is about 599.2595124321.

Adding to 215201260 its reverse (62102512), we get a palindrome (277303772).

The spelling of 215201260 in words is "two hundred fifteen million, two hundred one thousand, two hundred sixty".