201541340 has 96 divisors (see below), whose sum is σ = 568318464. Its totient is φ = 57980160.

The previous prime is 201541321. The next prime is 201541357. The reversal of 201541340 is 43145102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14987 + ... + 25053.

It is an arithmetic number, because the mean of its divisors is an integer number (5919984).

Almost surely, 2^201541340 is an apocalyptic number.

201541340 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 201541340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284159232).

201541340 is an abundant number, since it is smaller than the sum of its proper divisors (366777124).

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

201541340 is a wasteful number, since it uses less digits than its factorization.

201541340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10107 (or 10105 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201541340 is about 14196.5256312944. The cubic root of 201541340 is about 586.3020066520.

Adding to 201541340 its reverse (43145102), we get a palindrome (244686442).

The spelling of 201541340 in words is "two hundred one million, five hundred forty-one thousand, three hundred forty".