1720205464201 has 8 divisors (see below), whose sum is σ = 2019082861760. Its totient is φ = 1434611506608.

The previous prime is 1720205464123. The next prime is 1720205464213. The reversal of 1720205464201 is 1024645020271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1720205464201 - 2⁹ = 1720205463689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1760205464201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320859711 + ... + 3320860228.

It is an arithmetic number, because the mean of its divisors is an integer number (252385357720).

Almost surely, 2^{1720205464201} is an apocalyptic number.

It is an amenable number.

1720205464201 is a deficient number, since it is larger than the sum of its proper divisors (298877397559).

1720205464201 is an equidigital number, since it uses as much as digits as its factorization.

1720205464201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641719983.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 1720205464201 in words is "one trillion, seven hundred twenty billion, two hundred five million, four hundred sixty-four thousand, two hundred one".