201332020340 has 192 divisors, whose sum is σ = 510234681600. Its totient is φ = 65866752000.

The previous prime is 201332020319. The next prime is 201332020343. The reversal of 201332020340 is 43020233102.

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 (201332020343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10945271 + ... + 10963649.

It is an arithmetic number, because the mean of its divisors is an integer number (2657472300).

Almost surely, 2^201332020340 is an apocalyptic number.

201332020340 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 201332020340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255117340800).

201332020340 is an abundant number, since it is smaller than the sum of its proper divisors (308902661260).

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

201332020340 is a wasteful number, since it uses less digits than its factorization.

201332020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18546 (or 18544 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 201332020340 its reverse (43020233102), we get a palindrome (244352253442).

The spelling of 201332020340 in words is "two hundred one billion, three hundred thirty-two million, twenty thousand, three hundred forty".