201055135320 has 96 divisors (see below), whose sum is σ = 703692990000. Its totient is φ = 49490493696.

The previous prime is 201055135319. The next prime is 201055135331. The reversal of 201055135320 is 23531550102.

It is a happy number.

201055135320 is a `hidden beast` number, since 20 + 105 + 5 + 1 + 3 + 532 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21475570 + ... + 21484929.

Almost surely, 2^201055135320 is an apocalyptic number.

201055135320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201055135320 is an abundant number, since it is smaller than the sum of its proper divisors (502637854680).

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

201055135320 is a wasteful number, since it uses less digits than its factorization.

201055135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42960529 (or 42960522 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 201055135320 its reverse (23531550102), we get a palindrome (224586685422).

The spelling of 201055135320 in words is "two hundred one billion, fifty-five million, one hundred thirty-five thousand, three hundred twenty".