206372042 has 4 divisors (see below), whose sum is σ = 309558066. Its totient is φ = 103186020.

The previous prime is 206372041. The next prime is 206372057. The reversal of 206372042 is 240273602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122301481 + 84070561 = 11059^2 + 9169^2 .

It is not an unprimeable number, because it can be changed into a prime (206372041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51593009 + ... + 51593012.

Almost surely, 2^206372042 is an apocalyptic number.

206372042 is a deficient number, since it is larger than the sum of its proper divisors (103186024).

206372042 is a wasteful number, since it uses less digits than its factorization.

206372042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103186023.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 206372042 is about 14365.6549450417. The cubic root of 206372042 is about 590.9493878935.

The spelling of 206372042 in words is "two hundred six million, three hundred seventy-two thousand, forty-two".