201420340221 has 8 divisors (see below), whose sum is σ = 271796122080. Its totient is φ = 132662392592.

The previous prime is 201420340201. The next prime is 201420340249. The reversal of 201420340221 is 122043024102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201420340221 - 2¹⁴ = 201420323837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420340201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404458266 + ... + 404458763.

It is an arithmetic number, because the mean of its divisors is an integer number (33974515260).

Almost surely, 2^201420340221 is an apocalyptic number.

It is an amenable number.

201420340221 is a deficient number, since it is larger than the sum of its proper divisors (70375781859).

201420340221 is an equidigital number, since it uses as much as digits as its factorization.

201420340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808917115.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 201420340221 its reverse (122043024102), we get a palindrome (323463364323).

The spelling of 201420340221 in words is "two hundred one billion, four hundred twenty million, three hundred forty thousand, two hundred twenty-one".