201346320 has 80 divisors (see below), whose sum is σ = 713347200. Its totient is φ = 46021632.

The previous prime is 201346309. The next prime is 201346349. The reversal of 201346320 is 23643102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58245 + ... + 61604.

It is an arithmetic number, because the mean of its divisors is an integer number (8916840).

Almost surely, 2^201346320 is an apocalyptic number.

201346320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201346320 is an abundant number, since it is smaller than the sum of its proper divisors (512000880).

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

201346320 is a wasteful number, since it uses less digits than its factorization.

201346320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119872 (or 119866 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 201346320 is about 14189.6553869359. The cubic root of 201346320 is about 586.1128353427.

Adding to 201346320 its reverse (23643102), we get a palindrome (224989422).

The spelling of 201346320 in words is "two hundred one million, three hundred forty-six thousand, three hundred twenty".