520020025 has 48 divisors (see below), whose sum is σ = 802627200. Its totient is φ = 326108160.

The previous prime is 520020019. The next prime is 520020029.

520020025 is nontrivially palindromic in base 10 and base 12.

It is not a de Polignac number, because 520020025 - 2⁵ = 520019993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520019990 and 520020008.

It is not an unprimeable number, because it can be changed into a prime (520020029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93729 + ... + 99121.

It is an arithmetic number, because the mean of its divisors is an integer number (16721400).

Almost surely, 2^520020025 is an apocalyptic number.

It is an amenable number.

520020025 is a deficient number, since it is larger than the sum of its proper divisors (282607175).

520020025 is a wasteful number, since it uses less digits than its factorization.

520020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 520020025 is about 22803.9475749266. The cubic root of 520020025 is about 804.1554740255.

The spelling of 520020025 in words is "five hundred twenty million, twenty thousand, twenty-five".