19842201 has 12 divisors (see below), whose sum is σ = 29585920. Its totient is φ = 12801240.

The previous prime is 19842191. The next prime is 19842209. The reversal of 19842201 is 10224891.

It is not a de Polignac number, because 19842201 - 2¹⁰ = 19841177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19842209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35281 + ... + 35838.

Almost surely, 2^19842201 is an apocalyptic number.

It is an amenable number.

19842201 is a deficient number, since it is larger than the sum of its proper divisors (9743719).

19842201 is a wasteful number, since it uses less digits than its factorization.

19842201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71156 (or 71153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 19842201 is about 4454.4585529557. The cubic root of 19842201 is about 270.7259885654.

The spelling of 19842201 in words is "nineteen million, eight hundred forty-two thousand, two hundred one".