209732066732 has 96 divisors (see below), whose sum is σ = 429905710080. Its totient is φ = 88859151360.

The previous prime is 209732066717. The next prime is 209732066737. The reversal of 209732066732 is 237660237902.

It is a super-2 number, since 2×209732066732² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (209732066737) 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 31 ways as a sum of consecutive naturals, for example, 2004557 + ... + 2106587.

It is an arithmetic number, because the mean of its divisors is an integer number (4478184480).

Almost surely, 2^209732066732 is an apocalyptic number.

It is an amenable number.

209732066732 is an abundant number, since it is smaller than the sum of its proper divisors (220173643348).

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

209732066732 is a wasteful number, since it uses less digits than its factorization.

209732066732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102151 (or 102149 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 209732066732 in words is "two hundred nine billion, seven hundred thirty-two million, sixty-six thousand, seven hundred thirty-two".