320200101 has 16 divisors (see below), whose sum is σ = 510861120. Its totient is φ = 197046000.

The previous prime is 320200093. The next prime is 320200121. The reversal of 320200101 is 101002023.

It is a happy number.

It is not a de Polignac number, because 320200101 - 2³ = 320200093 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200121) 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, 455775 + ... + 456476.

It is an arithmetic number, because the mean of its divisors is an integer number (31928820).

Almost surely, 2^320200101 is an apocalyptic number.

It is an amenable number.

320200101 is a deficient number, since it is larger than the sum of its proper divisors (190661019).

320200101 is a wasteful number, since it uses less digits than its factorization.

320200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912273 (or 912267 counting only the distinct ones).

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

The square root of 320200101 is about 17894.1359389047. The cubic root of 320200101 is about 684.1329189210.

Adding to 320200101 its reverse (101002023), we get a palindrome (421202124).

The spelling of 320200101 in words is "three hundred twenty million, two hundred thousand, one hundred one".