206218342 has 16 divisors (see below), whose sum is σ = 338770512. Its totient is φ = 93368320.

The previous prime is 206218339. The next prime is 206218373. The reversal of 206218342 is 243812602.

It is a self number, because there is not a number n which added to its sum of digits gives 206218342.

It is a congruent number.

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, 12583 + ... + 23890.

It is an arithmetic number, because the mean of its divisors is an integer number (21173157).

Almost surely, 2^206218342 is an apocalyptic number.

206218342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206218342 is a deficient number, since it is larger than the sum of its proper divisors (132552170).

206218342 is a wasteful number, since it uses less digits than its factorization.

206218342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36743.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 206218342 is about 14360.3043839607. The cubic root of 206218342 is about 590.8026440511.

The spelling of 206218342 in words is "two hundred six million, two hundred eighteen thousand, three hundred forty-two".