206266405342 has 8 divisors (see below), whose sum is σ = 309840979032. Its totient is φ = 102986079000.

The previous prime is 206266405333. The next prime is 206266405349. The reversal of 206266405342 is 243504662602.

206266405342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×206266405342² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206266405295 and 206266405304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206266405349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73560084 + ... + 73562887.

It is an arithmetic number, because the mean of its divisors is an integer number (38730122379).

Almost surely, 2^206266405342 is an apocalyptic number.

206266405342 is a deficient number, since it is larger than the sum of its proper divisors (103574573690).

206266405342 is a wasteful number, since it uses less digits than its factorization.

206266405342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147123674.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 206266405342 in words is "two hundred six billion, two hundred sixty-six million, four hundred five thousand, three hundred forty-two".