520201205 has 4 divisors (see below), whose sum is σ = 624241452. Its totient is φ = 416160960.

The previous prime is 520201183. The next prime is 520201211. The reversal of 520201205 is 502102025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 425060689 = 9754^2 + 20617^2 .

It is not a de Polignac number, because 520201205 - 2²⁴ = 503423989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 52020116 + ... + 52020125.

It is an arithmetic number, because the mean of its divisors is an integer number (156060363).

Almost surely, 2^520201205 is an apocalyptic number.

It is an amenable number.

520201205 is a deficient number, since it is larger than the sum of its proper divisors (104040247).

520201205 is a wasteful number, since it uses less digits than its factorization.

520201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104040246.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 520201205 is about 22807.9197867758. The cubic root of 520201205 is about 804.2488550264.

The spelling of 520201205 in words is "five hundred twenty million, two hundred one thousand, two hundred five".