520163026530 has 192 divisors, whose sum is σ = 1562846078592. Its totient is φ = 110065858560.

The previous prime is 520163026529. The next prime is 520163026541. The reversal of 520163026530 is 35620361025.

It is a junction number, because it is equal to n+sod(n) for n = 520163026491 and 520163026500.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1353777 + ... + 1695003.

It is an arithmetic number, because the mean of its divisors is an integer number (8139823326).

Almost surely, 2^520163026530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520163026530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781423039296).

520163026530 is an abundant number, since it is smaller than the sum of its proper divisors (1042683052062).

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

520163026530 is a wasteful number, since it uses less digits than its factorization.

520163026530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341329 (or 341322 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 520163026530 its reverse (35620361025), we get a palindrome (555783387555).

The spelling of 520163026530 in words is "five hundred twenty billion, one hundred sixty-three million, twenty-six thousand, five hundred thirty".