201020401401 has 16 divisors (see below), whose sum is σ = 272287927296.
Its totient is φ = 131895518096.
The previous prime is 201020401331. The next prime is 201020401423. The reversal of 201020401401 is 104104020102.
It is a cyclic number.
It is not a de Polignac number, because 201020401401 - 214 = 201020385017 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201020401471) 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, 1469325 + ... + 1600298.
It is an arithmetic number, because the mean of its divisors is an integer number (17017995456).
Almost surely, 2201020401401 is an apocalyptic number.
It is an amenable number.
201020401401 is a deficient number, since it is larger than the sum of its proper divisors (71267525895).
201020401401 is a wasteful number, since it uses less digits than its factorization.
201020401401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069972.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 201020401401 its reverse (104104020102), we get a palindrome (305124421503).
The spelling of 201020401401 in words is "two hundred one billion, twenty million, four hundred one thousand, four hundred one".