1720200740755 has 8 divisors (see below), whose sum is σ = 2359132444512. Its totient is φ = 1179566222208.

The previous prime is 1720200740717. The next prime is 1720200740831. The reversal of 1720200740755 is 5570470020271.

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

It is a cyclic number.

It is not a de Polignac number, because 1720200740755 - 2²⁷ = 1720066523027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24574296262 + ... + 24574296331.

It is an arithmetic number, because the mean of its divisors is an integer number (294891555564).

Almost surely, 2^{1720200740755} is an apocalyptic number.

1720200740755 is a deficient number, since it is larger than the sum of its proper divisors (638931703757).

1720200740755 is an equidigital number, since it uses as much as digits as its factorization.

1720200740755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49148592605.

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 1720200740755 in words is "one trillion, seven hundred twenty billion, two hundred million, seven hundred forty thousand, seven hundred fifty-five".