1020163530 has 16 divisors (see below), whose sum is σ = 2448392544. Its totient is φ = 272043600.

The previous prime is 1020163499. The next prime is 1020163559. The reversal of 1020163530 is 353610201.

It is a junction number, because it is equal to n+sod(n) for n = 1020163497 and 1020163506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17002696 + ... + 17002755.

It is an arithmetic number, because the mean of its divisors is an integer number (153024534).

Almost surely, 2^1020163530 is an apocalyptic number.

1020163530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020163530 is an abundant number, since it is smaller than the sum of its proper divisors (1428229014).

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

1020163530 is a wasteful number, since it uses less digits than its factorization.

1020163530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34005461.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1020163530 is about 31939.9989041953. The cubic root of 1020163530 is about 1006.6765017874.

Adding to 1020163530 its reverse (353610201), we get a palindrome (1373773731).

The spelling of 1020163530 in words is "one billion, twenty million, one hundred sixty-three thousand, five hundred thirty".