520435020224 has 84 divisors (see below), whose sum is σ = 1190822687184. Its totient is φ = 221067313152.

The previous prime is 520435020211. The next prime is 520435020241. The reversal of 520435020224 is 422020534025.

It is a super-3 number, since 3×520435020224³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5675024 + ... + 5766000.

Almost surely, 2^520435020224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520435020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595411343592).

520435020224 is an abundant number, since it is smaller than the sum of its proper divisors (670387666960).

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

520435020224 is an equidigital number, since it uses as much as digits as its factorization.

520435020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91222 (or 91099 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 520435020224 its reverse (422020534025), we get a palindrome (942455554249).

The spelling of 520435020224 in words is "five hundred twenty billion, four hundred thirty-five million, twenty thousand, two hundred twenty-four".