520210342 has 4 divisors (see below), whose sum is σ = 780315516. Its totient is φ = 260105170.

The previous prime is 520210333. The next prime is 520210351. The reversal of 520210342 is 243012025.

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

It is an interprime number because it is at equal distance from previous prime (520210333) and next prime (520210351).

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, 130052584 + ... + 130052587.

It is an arithmetic number, because the mean of its divisors is an integer number (195078879).

Almost surely, 2^520210342 is an apocalyptic number.

520210342 is a deficient number, since it is larger than the sum of its proper divisors (260105174).

520210342 is a wasteful number, since it uses less digits than its factorization.

520210342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260105173.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 520210342 is about 22808.1200891262. The cubic root of 520210342 is about 804.2535637037.

Adding to 520210342 its reverse (243012025), we get a palindrome (763222367).

The spelling of 520210342 in words is "five hundred twenty million, two hundred ten thousand, three hundred forty-two".