206968904120 has 32 divisors (see below), whose sum is σ = 508014583920. Its totient is φ = 75261419520.

The previous prime is 206968904099. The next prime is 206968904143. The reversal of 206968904120 is 21409869602.

It is a super-2 number, since 2×206968904120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 235191497 + ... + 235192376.

Almost surely, 2^206968904120 is an apocalyptic number.

206968904120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206968904120 is an abundant number, since it is smaller than the sum of its proper divisors (301045679800).

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

206968904120 is a wasteful number, since it uses less digits than its factorization.

206968904120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470383895 (or 470383891 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 206968904120 in words is "two hundred six billion, nine hundred sixty-eight million, nine hundred four thousand, one hundred twenty".