1020916500 has 48 divisors (see below), whose sum is σ = 2972913216. Its totient is φ = 272244000.

The previous prime is 1020916499. The next prime is 1020916511. The reversal of 1020916500 is 56190201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338806 + ... + 341805.

It is an arithmetic number, because the mean of its divisors is an integer number (61935692).

Almost surely, 2^1020916500 is an apocalyptic number.

1020916500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020916500 is an abundant number, since it is smaller than the sum of its proper divisors (1951996716).

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

1020916500 is a wasteful number, since it uses less digits than its factorization.

1020916500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680633 (or 680621 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1020916500 is about 31951.7839877525. The cubic root of 1020916500 is about 1006.9241126753.

The spelling of 1020916500 in words is "one billion, twenty million, nine hundred sixteen thousand, five hundred".