201301143240 has 128 divisors (see below), whose sum is σ = 640701653760. Its totient is φ = 50421940224.

The previous prime is 201301143233. The next prime is 201301143269. The reversal of 201301143240 is 42341103102.

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, 928032 + ... + 1124208.

It is an arithmetic number, because the mean of its divisors is an integer number (5005481670).

Almost surely, 2^201301143240 is an apocalyptic number.

201301143240 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 201301143240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320350826880).

201301143240 is an abundant number, since it is smaller than the sum of its proper divisors (439400510520).

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

201301143240 is a wasteful number, since it uses less digits than its factorization.

201301143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196711 (or 196707 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201301143240 its reverse (42341103102), we get a palindrome (243642246342).

The spelling of 201301143240 in words is "two hundred one billion, three hundred one million, one hundred forty-three thousand, two hundred forty".