201330181050 has 48 divisors (see below), whose sum is σ = 507761563680. Its totient is φ = 52778079040.

The previous prime is 201330181049. The next prime is 201330181067. The reversal of 201330181050 is 50181033102.

It is a self number, because there is not a number n which added to its sum of digits gives 201330181050.

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, 11365737 + ... + 11383436.

It is an arithmetic number, because the mean of its divisors is an integer number (10578365910).

Almost surely, 2^201330181050 is an apocalyptic number.

201330181050 is an abundant number, since it is smaller than the sum of its proper divisors (306431382630).

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

201330181050 is a wasteful number, since it uses less digits than its factorization.

201330181050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22749247 (or 22749242 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 201330181050 in words is "two hundred one billion, three hundred thirty million, one hundred eighty-one thousand, fifty".