201022001205 has 64 divisors (see below), whose sum is σ = 336478060800. Its totient is φ = 102349578240.

The previous prime is 201022001177. The next prime is 201022001209. The reversal of 201022001205 is 502100220102.

201022001205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201022001205 - 2⁹ = 201022000693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022001209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68396626 + ... + 68399564.

It is an arithmetic number, because the mean of its divisors is an integer number (5257469700).

Almost surely, 2^201022001205 is an apocalyptic number.

It is an amenable number.

201022001205 is a deficient number, since it is larger than the sum of its proper divisors (135456059595).

201022001205 is a wasteful number, since it uses less digits than its factorization.

201022001205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694.

The product of its (nonzero) digits is 80, while the sum is 15.

Adding to 201022001205 its reverse (502100220102), we get a palindrome (703122221307).

The spelling of 201022001205 in words is "two hundred one billion, twenty-two million, one thousand, two hundred five".