4020321311017 has 4 divisors (see below), whose sum is σ = 4385805066576. Its totient is φ = 3654837555460.

The previous prime is 4020321310969. The next prime is 4020321311033. The reversal of 4020321311017 is 7101131230204.

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 4020321311017 - 2³⁹ = 3470565497129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020321310982 and 4020321311000.

It is not an unprimeable number, because it can be changed into a prime (4020321311087) 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, 182741877763 + ... + 182741877784.

It is an arithmetic number, because the mean of its divisors is an integer number (1096451266644).

Almost surely, 2^{4020321311017} is an apocalyptic number.

It is an amenable number.

4020321311017 is a deficient number, since it is larger than the sum of its proper divisors (365483755559).

4020321311017 is a wasteful number, since it uses less digits than its factorization.

4020321311017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365483755558.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 4020321311017 in words is "four trillion, twenty billion, three hundred twenty-one million, three hundred eleven thousand, seventeen".