1720032620253 has 16 divisors (see below), whose sum is σ = 2311859742720. Its totient is φ = 1137450275136.

The previous prime is 1720032620177. The next prime is 1720032620303. The reversal of 1720032620253 is 3520262300271.

It is not a de Polignac number, because 1720032620253 - 2⁹ = 1720032619741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720032627253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674603 + ... + 2498871.

It is an arithmetic number, because the mean of its divisors is an integer number (144491233920).

Almost surely, 2^{1720032620253} is an apocalyptic number.

It is an amenable number.

1720032620253 is a deficient number, since it is larger than the sum of its proper divisors (591827122467).

1720032620253 is a wasteful number, since it uses less digits than its factorization.

1720032620253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829876.

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 1720032620253 in words is "one trillion, seven hundred twenty billion, thirty-two million, six hundred twenty thousand, two hundred fifty-three".