320240087801 has 4 divisors (see below), whose sum is σ = 325019790672. Its totient is φ = 315460384932.

The previous prime is 320240087779. The next prime is 320240087837. The reversal of 320240087801 is 108780042023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320240087801 - 2³⁰ = 319166345977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320240081801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2389851335 + ... + 2389851468.

It is an arithmetic number, because the mean of its divisors is an integer number (81254947668).

Almost surely, 2^320240087801 is an apocalyptic number.

It is an amenable number.

320240087801 is a deficient number, since it is larger than the sum of its proper divisors (4779702871).

320240087801 is an equidigital number, since it uses as much as digits as its factorization.

320240087801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779702870.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 320240087801 in words is "three hundred twenty billion, two hundred forty million, eighty-seven thousand, eight hundred one".