320553200000001 has 16 divisors (see below), whose sum is σ = 433784121817088. Its totient is φ = 210512215861200.

The previous prime is 320553199999999. The next prime is 320553200000041. The reversal of 320553200000001 is 100000002355023.

It is not a de Polignac number, because 320553200000001 - 2¹ = 320553199999999 is a prime.

It is a super-2 number, since 2×320553200000001² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320553200000041) 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, 253044456 + ... + 254308086.

It is an arithmetic number, because the mean of its divisors is an integer number (27111507613568).

Almost surely, 2^{320553200000001} is an apocalyptic number.

It is an amenable number.

320553200000001 is a deficient number, since it is larger than the sum of its proper divisors (113230921817087).

320553200000001 is a wasteful number, since it uses less digits than its factorization.

320553200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525772.

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 320553200000001 its reverse (100000002355023), we get a palindrome (420553202355024).

The spelling of 320553200000001 in words is "three hundred twenty trillion, five hundred fifty-three billion, two hundred million, one", and thus it is an aban number.