209248505080 has 32 divisors (see below), whose sum is σ = 473697550800. Its totient is φ = 83185906176.

The previous prime is 209248505041. The next prime is 209248505099. The reversal of 209248505080 is 80505842902.

209248505080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16040145 + ... + 16053184.

Almost surely, 2^209248505080 is an apocalyptic number.

209248505080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209248505080 is an abundant number, since it is smaller than the sum of its proper divisors (264449045720).

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

209248505080 is a wasteful number, since it uses less digits than its factorization.

209248505080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32093503 (or 32093499 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 209248505080 in words is "two hundred nine billion, two hundred forty-eight million, five hundred five thousand, eighty".