650120620 has 48 divisors (see below), whose sum is σ = 1382105088. Its totient is φ = 256858560.

The previous prime is 650120617. The next prime is 650120621. The reversal of 650120620 is 26021056.

It is a super-3 number, since 3×650120620³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 650120591 and 650120600.

It is not an unprimeable number, because it can be changed into a prime (650120621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789529 + ... + 790351.

It is an arithmetic number, because the mean of its divisors is an integer number (28793856).

Almost surely, 2^650120620 is an apocalyptic number.

It is an amenable number.

650120620 is an abundant number, since it is smaller than the sum of its proper divisors (731984468).

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

650120620 is a wasteful number, since it uses less digits than its factorization.

650120620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 650120620 is about 25497.4630110527. The cubic root of 650120620 is about 866.2926844683.

Adding to 650120620 its reverse (26021056), we get a palindrome (676141676).

The spelling of 650120620 in words is "six hundred fifty million, one hundred twenty thousand, six hundred twenty".