65020668 has 24 divisors (see below), whose sum is σ = 156947280. Its totient is φ = 20926080.

The previous prime is 65020651. The next prime is 65020691. The reversal of 65020668 is 86602056.

65020668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93073 + ... + 93768.

It is an arithmetic number, because the mean of its divisors is an integer number (6539470).

Almost surely, 2^65020668 is an apocalyptic number.

It is an amenable number.

65020668 is an abundant number, since it is smaller than the sum of its proper divisors (91926612).

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

65020668 is a wasteful number, since it uses less digits than its factorization.

65020668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186877 (or 186875 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 65020668 is about 8063.5394213707. The cubic root of 65020668 is about 402.1151869121.

The spelling of 65020668 in words is "sixty-five million, twenty thousand, six hundred sixty-eight".