206886842070 has 32 divisors (see below), whose sum is σ = 518116614912. Its totient is φ = 52771136352.

The previous prime is 206886842053. The next prime is 206886842081. The reversal of 206886842070 is 70248688602.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149917312 + ... + 149918691.

It is an arithmetic number, because the mean of its divisors is an integer number (16191144216).

Almost surely, 2^206886842070 is an apocalyptic number.

206886842070 is an abundant number, since it is smaller than the sum of its proper divisors (311229772842).

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

206886842070 is a wasteful number, since it uses less digits than its factorization.

206886842070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299836036.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 206886842070 in words is "two hundred six billion, eight hundred eighty-six million, eight hundred forty-two thousand, seventy".