201332223240 has 64 divisors (see below), whose sum is σ = 604091640960. Its totient is φ = 53680151040.

The previous prime is 201332223203. The next prime is 201332223247. The reversal of 201332223240 is 42322233102.

It is a super-2 number, since 2×201332223240² (a number of 23 digits) contains 22 as substring.

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 201332223240.

It is not an unprimeable number, because it can be changed into a prime (201332223247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653877 + ... + 911163.

It is an arithmetic number, because the mean of its divisors is an integer number (9438931890).

Almost surely, 2^201332223240 is an apocalyptic number.

201332223240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201332223240 is an abundant number, since it is smaller than the sum of its proper divisors (402759417720).

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

201332223240 is a wasteful number, since it uses less digits than its factorization.

201332223240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263822 (or 263818 counting only the distinct ones).

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

Adding to 201332223240 its reverse (42322233102), we get a palindrome (243654456342).

The spelling of 201332223240 in words is "two hundred one billion, three hundred thirty-two million, two hundred twenty-three thousand, two hundred forty".