201024301340 has 72 divisors (see below), whose sum is σ = 447621340320. Its totient is φ = 75743019520.

The previous prime is 201024301307. The next prime is 201024301343. The reversal of 201024301340 is 43103420102.

It is a super-3 number, since 3×201024301340³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024301343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871889 + ... + 1078071.

It is an arithmetic number, because the mean of its divisors is an integer number (6216963060).

Almost surely, 2^201024301340 is an apocalyptic number.

201024301340 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 201024301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223810670160).

201024301340 is an abundant number, since it is smaller than the sum of its proper divisors (246597038980).

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

201024301340 is a wasteful number, since it uses less digits than its factorization.

201024301340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206303 (or 206260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 201024301340 its reverse (43103420102), we get a palindrome (244127721442).

The spelling of 201024301340 in words is "two hundred one billion, twenty-four million, three hundred one thousand, three hundred forty".