255020342 has 4 divisors (see below), whose sum is σ = 382530516. Its totient is φ = 127510170.

The previous prime is 255020323. The next prime is 255020351. The reversal of 255020342 is 243020552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63755084 + ... + 63755087.

It is an arithmetic number, because the mean of its divisors is an integer number (95632629).

Almost surely, 2^255020342 is an apocalyptic number.

255020342 is a deficient number, since it is larger than the sum of its proper divisors (127510174).

255020342 is a wasteful number, since it uses less digits than its factorization.

255020342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127510173.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 255020342 is about 15969.3563426958. The cubic root of 255020342 is about 634.1494322140.

Adding to 255020342 its reverse (243020552), we get a palindrome (498040894).

The spelling of 255020342 in words is "two hundred fifty-five million, twenty thousand, three hundred forty-two".