19320201 has 24 divisors (see below), whose sum is σ = 29629600. Its totient is φ = 12580596.

The previous prime is 19320193. The next prime is 19320233. The reversal of 19320201 is 10202391.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 19320201 - 2³ = 19320193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19320251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449286 + ... + 449328.

Almost surely, 2^19320201 is an apocalyptic number.

It is an amenable number.

19320201 is a deficient number, since it is larger than the sum of its proper divisors (10309399).

19320201 is an frugal number, since it uses more digits than its factorization.

19320201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 19320201 is about 4395.4750596494. The cubic root of 19320201 is about 268.3308131737.

Adding to 19320201 its reverse (10202391), we get a palindrome (29522592).

The spelling of 19320201 in words is "nineteen million, three hundred twenty thousand, two hundred one".