650264020 has 48 divisors (see below), whose sum is σ = 1568101248. Its totient is φ = 221880960.

The previous prime is 650264009. The next prime is 650264033. The reversal of 650264020 is 20462056.

650264020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18534 + ... + 40546.

It is an arithmetic number, because the mean of its divisors is an integer number (32668776).

Almost surely, 2^650264020 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 650264020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784050624).

650264020 is an abundant number, since it is smaller than the sum of its proper divisors (917837228).

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

650264020 is a wasteful number, since it uses less digits than its factorization.

650264020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22240 (or 22238 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 650264020 is about 25500.2749004790. The cubic root of 650264020 is about 866.3563737974.

The spelling of 650264020 in words is "six hundred fifty million, two hundred sixty-four thousand, twenty".