206288650842 has 16 divisors (see below), whose sum is σ = 412582438272. Its totient is φ = 68762027520.

The previous prime is 206288650819. The next prime is 206288650853. The reversal of 206288650842 is 248056882602.

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, 482367 + ... + 803277.

It is an arithmetic number, because the mean of its divisors is an integer number (25786402392).

Almost surely, 2^206288650842 is an apocalyptic number.

206288650842 is an abundant number, since it is smaller than the sum of its proper divisors (206293787430).

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

206288650842 is a wasteful number, since it uses less digits than its factorization.

206288650842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428053.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 206288650842 in words is "two hundred six billion, two hundred eighty-eight million, six hundred fifty thousand, eight hundred forty-two".