1020503460 has 24 divisors (see below), whose sum is σ = 2857409856. Its totient is φ = 272134240.

The previous prime is 1020503437. The next prime is 1020503461. The reversal of 1020503460 is 643050201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020503461) 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, 8504136 + ... + 8504255.

It is an arithmetic number, because the mean of its divisors is an integer number (119058744).

Almost surely, 2^1020503460 is an apocalyptic number.

1020503460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020503460 is an abundant number, since it is smaller than the sum of its proper divisors (1836906396).

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

1020503460 is a wasteful number, since it uses less digits than its factorization.

1020503460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008403 (or 17008401 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1020503460 is about 31945.3198450102. The cubic root of 1020503460 is about 1006.7883013607.

Adding to 1020503460 its reverse (643050201), we get a palindrome (1663553661).

The spelling of 1020503460 in words is "one billion, twenty million, five hundred three thousand, four hundred sixty".