201941520201 has 16 divisors (see below), whose sum is σ = 316771012800. Its totient is φ = 126708404544.

The previous prime is 201941520191. The next prime is 201941520203. The reversal of 201941520201 is 102025149102.

201941520201 is a `hidden beast` number, since 20 + 1 + 9 + 415 + 20 + 201 = 666.

It is not a de Polignac number, because 201941520201 - 2¹⁹ = 201940995913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201941520203) 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, 219979411 + ... + 219980328.

It is an arithmetic number, because the mean of its divisors is an integer number (19798188300).

Almost surely, 2^201941520201 is an apocalyptic number.

It is an amenable number.

201941520201 is a deficient number, since it is larger than the sum of its proper divisors (114829492599).

201941520201 is a wasteful number, since it uses less digits than its factorization.

201941520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439959765 (or 439959759 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 201941520201 its reverse (102025149102), we get a palindrome (303966669303).

The spelling of 201941520201 in words is "two hundred one billion, nine hundred forty-one million, five hundred twenty thousand, two hundred one".