720211020205 has 16 divisors (see below), whose sum is σ = 899157049344. Its totient is φ = 553192295040.

The previous prime is 720211020203. The next prime is 720211020229. The reversal of 720211020205 is 502020112027.

It is not a de Polignac number, because 720211020205 - 2¹ = 720211020203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720211020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18273712 + ... + 18313081.

It is an arithmetic number, because the mean of its divisors is an integer number (56197315584).

Almost surely, 2^720211020205 is an apocalyptic number.

It is an amenable number.

720211020205 is a deficient number, since it is larger than the sum of its proper divisors (178946029139).

720211020205 is a wasteful number, since it uses less digits than its factorization.

720211020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36586956.

The product of its (nonzero) digits is 560, while the sum is 22.

The spelling of 720211020205 in words is "seven hundred twenty billion, two hundred eleven million, twenty thousand, two hundred five".