320020010000001 has 16 divisors (see below), whose sum is σ = 485667223849920. Its totient is φ = 208143095934240.

The previous prime is 320020009999939. The next prime is 320020010000011. The reversal of 320020010000001 is 100000010020023.

It is a happy number.

It is not a de Polignac number, because 320020010000001 - 2⁹ = 320020009999489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (320020010000011) 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, 144543815515 + ... + 144543817728.

It is an arithmetic number, because the mean of its divisors is an integer number (30354201490620).

Almost surely, 2^{320020010000001} is an apocalyptic number.

It is an amenable number.

320020010000001 is a deficient number, since it is larger than the sum of its proper divisors (165647213849919).

320020010000001 is a wasteful number, since it uses less digits than its factorization.

320020010000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289087633293 (or 289087633287 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 320020010000001 its reverse (100000010020023), we get a palindrome (420020020020024).

The spelling of 320020010000001 in words is "three hundred twenty trillion, twenty billion, ten million, one", and thus it is an aban number.