650220020612 has 36 divisors (see below), whose sum is σ = 1201143372156. Its totient is φ = 307943147520.

The previous prime is 650220020591. The next prime is 650220020621. The reversal of 650220020612 is 216020022056.

It can be written as a sum of positive squares in 2 ways, for example, as 345445360516 + 304774660096 = 587746^2 + 552064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8558312 + ... + 8633952.

It is an arithmetic number, because the mean of its divisors is an integer number (33365093671).

Almost surely, 2^650220020612 is an apocalyptic number.

It is an amenable number.

650220020612 is a deficient number, since it is larger than the sum of its proper divisors (550923351544).

650220020612 is a wasteful number, since it uses less digits than its factorization.

650220020612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81636 (or 81615 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 650220020612 its reverse (216020022056), we get a palindrome (866240042668).

The spelling of 650220020612 in words is "six hundred fifty billion, two hundred twenty million, twenty thousand, six hundred twelve".