520022842 has 8 divisors (see below), whose sum is σ = 781027776. Its totient is φ = 259680252.

The previous prime is 520022813. The next prime is 520022857. The reversal of 520022842 is 248220025.

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, 163618 + ... + 166765.

It is an arithmetic number, because the mean of its divisors is an integer number (97628472).

Almost surely, 2^520022842 is an apocalyptic number.

520022842 is a deficient number, since it is larger than the sum of its proper divisors (261004934).

520022842 is a wasteful number, since it uses less digits than its factorization.

520022842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331172.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 520022842 is about 22804.0093404647. The cubic root of 520022842 is about 804.1569260862.

Adding to 520022842 its reverse (248220025), we get a palindrome (768242867).

The spelling of 520022842 in words is "five hundred twenty million, twenty-two thousand, eight hundred forty-two".