206546242 has 32 divisors (see below), whose sum is σ = 370704384. Its totient is φ = 84445200.

The previous prime is 206546239. The next prime is 206546281. The reversal of 206546242 is 242645602.

It is a super-2 number, since 2×206546242² = 85322700168645128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27463 + ... + 34165.

It is an arithmetic number, because the mean of its divisors is an integer number (11584512).

Almost surely, 2^206546242 is an apocalyptic number.

206546242 is a deficient number, since it is larger than the sum of its proper divisors (164158142).

206546242 is a wasteful number, since it uses less digits than its factorization.

206546242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 206546242 is about 14371.7167380936. The cubic root of 206546242 is about 591.1156158878.

It can be divided in two parts, 20654 and 6242, that added together give a square (26896 = 164²).

The spelling of 206546242 in words is "two hundred six million, five hundred forty-six thousand, two hundred forty-two".