520201078 has 4 divisors (see below), whose sum is σ = 780301620. Its totient is φ = 260100538.

The previous prime is 520201027. The next prime is 520201079. The reversal of 520201078 is 870102025.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520201079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130050268 + ... + 130050271.

It is an arithmetic number, because the mean of its divisors is an integer number (195075405).

Almost surely, 2^520201078 is an apocalyptic number.

520201078 is a deficient number, since it is larger than the sum of its proper divisors (260100542).

520201078 is a wasteful number, since it uses less digits than its factorization.

520201078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260100541.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 520201078 is about 22807.9170026550. The cubic root of 520201078 is about 804.2487895776.

The spelling of 520201078 in words is "five hundred twenty million, two hundred one thousand, seventy-eight".