520023320025 has 48 divisors (see below), whose sum is σ = 963282566208. Its totient is φ = 245318112000.

The previous prime is 520023319973. The next prime is 520023320039.

520023320025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520023320025 - 2¹⁶ = 520023254489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520023319977 and 520023320004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8487466 + ... + 8548515.

It is an arithmetic number, because the mean of its divisors is an integer number (20068386796).

Almost surely, 2^520023320025 is an apocalyptic number.

520023320025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520023320025 is a deficient number, since it is larger than the sum of its proper divisors (443259246183).

520023320025 is a wasteful number, since it uses less digits than its factorization.

520023320025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036042 (or 17036037 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

It can be divided in two parts, 520023 and 320025, that added together give a palindrome (840048).

The spelling of 520023320025 in words is "five hundred twenty billion, twenty-three million, three hundred twenty thousand, twenty-five".