206542630042 has 8 divisors (see below), whose sum is σ = 354073080096. Its totient is φ = 88518270012.

The previous prime is 206542630039. The next prime is 206542630061. The reversal of 206542630042 is 240036245602.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7376522488 + ... + 7376522515.

It is an arithmetic number, because the mean of its divisors is an integer number (44259135012).

Almost surely, 2^206542630042 is an apocalyptic number.

206542630042 is a deficient number, since it is larger than the sum of its proper divisors (147530450054).

206542630042 is a wasteful number, since it uses less digits than its factorization.

206542630042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14753045012.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 206542630042 its reverse (240036245602), we get a palindrome (446578875644).

The spelling of 206542630042 in words is "two hundred six billion, five hundred forty-two million, six hundred thirty thousand, forty-two".