201330432240 has 160 divisors (see below), whose sum is σ = 715441875456. Its totient is φ = 45879229440.

The previous prime is 201330432223. The next prime is 201330432269. The reversal of 201330432240 is 42234033102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 201330432240.

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, 375054 + ... + 737106.

Almost surely, 2^201330432240 is an apocalyptic number.

201330432240 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 201330432240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357720937728).

201330432240 is an abundant number, since it is smaller than the sum of its proper divisors (514111443216).

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

201330432240 is a wasteful number, since it uses less digits than its factorization.

201330432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362407 (or 362401 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 201330432240 its reverse (42234033102), we get a palindrome (243564465342).

The spelling of 201330432240 in words is "two hundred one billion, three hundred thirty million, four hundred thirty-two thousand, two hundred forty".