201334340 has 48 divisors (see below), whose sum is σ = 429260160. Its totient is φ = 79315200.

The previous prime is 201334297. The next prime is 201334361. The reversal of 201334340 is 43433102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492056 + ... + 492464.

It is an arithmetic number, because the mean of its divisors is an integer number (8942920).

Almost surely, 2^201334340 is an apocalyptic number.

201334340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201334340 is an abundant number, since it is smaller than the sum of its proper divisors (227925820).

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

201334340 is a wasteful number, since it uses less digits than its factorization.

201334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 201334340 is about 14189.2332421453. The cubic root of 201334340 is about 586.1012106438.

Adding to 201334340 its reverse (43433102), we get a palindrome (244767442).

The spelling of 201334340 in words is "two hundred one million, three hundred thirty-four thousand, three hundred forty".