201424216 has 32 divisors (see below), whose sum is σ = 432260640. Its totient is φ = 86197248.

The previous prime is 201424147. The next prime is 201424217. The reversal of 201424216 is 612424102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201424217) 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, 42376 + ... + 46888.

It is an arithmetic number, because the mean of its divisors is an integer number (13508145).

Almost surely, 2^201424216 is an apocalyptic number.

It is an amenable number.

201424216 is an abundant number, since it is smaller than the sum of its proper divisors (230836424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201424216 is a wasteful number, since it uses less digits than its factorization.

201424216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 5319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 201424216 is about 14192.3999379950. The cubic root of 201424216 is about 586.1884098702.

Adding to 201424216 its reverse (612424102), we get a palindrome (813848318).

The spelling of 201424216 in words is "two hundred one million, four hundred twenty-four thousand, two hundred sixteen".