320021203079 has 2 divisors, whose sum is σ = 320021203080. Its totient is φ = 320021203078.

The previous prime is 320021203069. The next prime is 320021203141. The reversal of 320021203079 is 970302120023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320021203079 - 2²⁴ = 320004425863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320021203039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160010601539 + 160010601540.

It is an arithmetic number, because the mean of its divisors is an integer number (160010601540).

Almost surely, 2^320021203079 is an apocalyptic number.

320021203079 is a deficient number, since it is larger than the sum of its proper divisors (1).

320021203079 is an equidigital number, since it uses as much as digits as its factorization.

320021203079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 320021203079 in words is "three hundred twenty billion, twenty-one million, two hundred three thousand, seventy-nine".