520331950 has 12 divisors (see below), whose sum is σ = 967817520. Its totient is φ = 208132760.

The previous prime is 520331947. The next prime is 520331951. The reversal of 520331950 is 59133025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520331951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5203270 + ... + 5203369.

It is an arithmetic number, because the mean of its divisors is an integer number (80651460).

Almost surely, 2^520331950 is an apocalyptic number.

520331950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520331950 is a deficient number, since it is larger than the sum of its proper divisors (447485570).

520331950 is a wasteful number, since it uses less digits than its factorization.

520331950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406651 (or 10406646 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 520331950 is about 22810.7858260078. The cubic root of 520331950 is about 804.3162281296.

Adding to 520331950 its reverse (59133025), we get a palindrome (579464975).

The spelling of 520331950 in words is "five hundred twenty million, three hundred thirty-one thousand, nine hundred fifty".