65220363 has 16 divisors (see below), whose sum is σ = 104055840. Its totient is φ = 40135392.

The previous prime is 65220319. The next prime is 65220377. The reversal of 65220363 is 36302256.

65220363 is a `hidden beast` number, since 652 + 2 + 0 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 65220363 - 2⁹ = 65219851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (65220383) 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, 92556 + ... + 93257.

It is an arithmetic number, because the mean of its divisors is an integer number (6503490).

Almost surely, 2^65220363 is an apocalyptic number.

65220363 is a deficient number, since it is larger than the sum of its proper divisors (38835477).

65220363 is a wasteful number, since it uses less digits than its factorization.

65220363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185835 (or 185829 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 65220363 is about 8075.9125180997. The cubic root of 65220363 is about 402.5264321723.

The spelling of 65220363 in words is "sixty-five million, two hundred twenty thousand, three hundred sixty-three".