303606020066 has 24 divisors (see below), whose sum is σ = 501536841984. Its totient is φ = 137560614840.

The previous prime is 303606020021. The next prime is 303606020077. The reversal of 303606020066 is 660020606303.

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, 9124850 + ... + 9158061.

It is an arithmetic number, because the mean of its divisors is an integer number (20897368416).

Almost surely, 2^303606020066 is an apocalyptic number.

303606020066 is a deficient number, since it is larger than the sum of its proper divisors (197930821918).

303606020066 is a wasteful number, since it uses less digits than its factorization.

303606020066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18282974 (or 18282955 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 303606020066 its reverse (660020606303), we get a palindrome (963626626369).

The spelling of 303606020066 in words is "three hundred three billion, six hundred six million, twenty thousand, sixty-six".