650105920 has 56 divisors (see below), whose sum is σ = 1552651200. Its totient is φ = 259272192.

The previous prime is 650105917. The next prime is 650105921. The reversal of 650105920 is 29501056.

650105920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (650105921) 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, 112051 + ... + 117709.

Almost surely, 2^650105920 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 650105920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (776325600).

650105920 is an abundant number, since it is smaller than the sum of its proper divisors (902545280).

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

650105920 is a wasteful number, since it uses less digits than its factorization.

650105920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035 (or 6025 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 650105920 is about 25497.1747454497. The cubic root of 650105920 is about 866.2861551166.

Adding to 650105920 its reverse (29501056), we get a palindrome (679606976).

The spelling of 650105920 in words is "six hundred fifty million, one hundred five thousand, nine hundred twenty".