320650501027 has 4 divisors (see below), whose sum is σ = 320779954656. Its totient is φ = 320521047400.

The previous prime is 320650501001. The next prime is 320650501033. The reversal of 320650501027 is 720105056023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320650501027 - 2¹⁹ = 320649976739 is a prime.

It is a super-2 number, since 2×320650501027² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320650501027.

It is not an unprimeable number, because it can be changed into a prime (320650501037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64723099 + ... + 64728052.

It is an arithmetic number, because the mean of its divisors is an integer number (80194988664).

Almost surely, 2^320650501027 is an apocalyptic number.

320650501027 is a deficient number, since it is larger than the sum of its proper divisors (129453629).

320650501027 is a wasteful number, since it uses less digits than its factorization.

320650501027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129453628.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 320650501027 in words is "three hundred twenty billion, six hundred fifty million, five hundred one thousand, twenty-seven".