206969508680 has 32 divisors (see below), whose sum is σ = 508016067840. Its totient is φ = 75261639360.

The previous prime is 206969508673. The next prime is 206969508731. The reversal of 206969508680 is 86805969602.

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, 235192184 + ... + 235193063.

It is an arithmetic number, because the mean of its divisors is an integer number (15875502120).

Almost surely, 2^206969508680 is an apocalyptic number.

206969508680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206969508680 is an abundant number, since it is smaller than the sum of its proper divisors (301046559160).

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

206969508680 is a wasteful number, since it uses less digits than its factorization.

206969508680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470385269 (or 470385265 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 206969508680 in words is "two hundred six billion, nine hundred sixty-nine million, five hundred eight thousand, six hundred eighty".