206662442802 has 16 divisors (see below), whose sum is σ = 413391443232. Its totient is φ = 68876388000.

The previous prime is 206662442771. The next prime is 206662442809. The reversal of 206662442802 is 208244266602.

It is a super-2 number, since 2×206662442802² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206662442809) by changing a digit.

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, 2732824 + ... + 2807427.

It is an arithmetic number, because the mean of its divisors is an integer number (25836965202).

Almost surely, 2^206662442802 is an apocalyptic number.

206662442802 is an abundant number, since it is smaller than the sum of its proper divisors (206729000430).

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

206662442802 is a wasteful number, since it uses less digits than its factorization.

206662442802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546473.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 206662442802 in words is "two hundred six billion, six hundred sixty-two million, four hundred forty-two thousand, eight hundred two".