520135701552204 has 24 divisors (see below), whose sum is σ = 1218949751824560. Its totient is φ = 172621455536064.

The previous prime is 520135701552161. The next prime is 520135701552209. The reversal of 520135701552204 is 402255107531025.

It is a happy number.

It is a super-2 number, since 2×520135701552204² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520135701552209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94638953139 + ... + 94638958634.

It is an arithmetic number, because the mean of its divisors is an integer number (50789572992690).

Almost surely, 2^{520135701552204} is an apocalyptic number.

It is an amenable number.

520135701552204 is an abundant number, since it is smaller than the sum of its proper divisors (698814050272356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520135701552204 is a wasteful number, since it uses less digits than its factorization.

520135701552204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189277912009 (or 189277912007 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 520135701552204 in words is "five hundred twenty trillion, one hundred thirty-five billion, seven hundred one million, five hundred fifty-two thousand, two hundred four".