201024340 has 96 divisors (see below), whose sum is σ = 475009920. Its totient is φ = 70848000.

The previous prime is 201024331. The next prime is 201024377. The reversal of 201024340 is 43420102.

201024340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844206 + ... + 1844314.

It is an arithmetic number, because the mean of its divisors is an integer number (4948020).

Almost surely, 2^201024340 is an apocalyptic number.

201024340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201024340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237504960).

201024340 is an abundant number, since it is smaller than the sum of its proper divisors (273985580).

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

201024340 is a wasteful number, since it uses less digits than its factorization.

201024340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201024340 is about 14178.3052583868. The cubic root of 201024340 is about 585.8002440909.

Adding to 201024340 its reverse (43420102), we get a palindrome (244444442).

It can be divided in two parts, 20102 and 4340, that added together give a palindrome (24442).

The spelling of 201024340 in words is "two hundred one million, twenty-four thousand, three hundred forty".