210205042 has 8 divisors (see below), whose sum is σ = 316422576. Its totient is φ = 104730852.

The previous prime is 210205019. The next prime is 210205043. The reversal of 210205042 is 240502012.

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

It is not an unprimeable number, because it can be changed into a prime (210205043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185128 + ... + 186259.

It is an arithmetic number, because the mean of its divisors is an integer number (39552822).

Almost surely, 2^210205042 is an apocalyptic number.

210205042 is a deficient number, since it is larger than the sum of its proper divisors (106217534).

210205042 is a wasteful number, since it uses less digits than its factorization.

210205042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371672.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 210205042 is about 14498.4496412548. The cubic root of 210205042 is about 594.5855853081.

Adding to 210205042 its reverse (240502012), we get a palindrome (450707054).

It can be divided in two parts, 21020 and 5042, that added together give a palindrome (26062).

The spelling of 210205042 in words is "two hundred ten million, two hundred five thousand, forty-two".