215062072206 has 32 divisors (see below), whose sum is σ = 445801915680. Its totient is φ = 69109946496.

The previous prime is 215062072157. The next prime is 215062072207. The reversal of 215062072206 is 602270260512.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215062072207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4419601 + ... + 4467996.

It is an arithmetic number, because the mean of its divisors is an integer number (13931309865).

Almost surely, 2^215062072206 is an apocalyptic number.

215062072206 is an abundant number, since it is smaller than the sum of its proper divisors (230739843474).

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

215062072206 is a wasteful number, since it uses less digits than its factorization.

215062072206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887748.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 215062072206 in words is "two hundred fifteen billion, sixty-two million, seventy-two thousand, two hundred six".