201022012005 has 16 divisors (see below), whose sum is σ = 338563389120. Its totient is φ = 101569016448.

The previous prime is 201022012001. The next prime is 201022012007. The reversal of 201022012005 is 500210220102.

It is not a de Polignac number, because 201022012005 - 2² = 201022012001 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 (201022012001) 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, 352669912 + ... + 352670481.

It is an arithmetic number, because the mean of its divisors is an integer number (21160211820).

Almost surely, 2^201022012005 is an apocalyptic number.

It is an amenable number.

201022012005 is a deficient number, since it is larger than the sum of its proper divisors (137541377115).

201022012005 is a wasteful number, since it uses less digits than its factorization.

201022012005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705340420.

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

Adding to 201022012005 its reverse (500210220102), we get a palindrome (701232232107).

The spelling of 201022012005 in words is "two hundred one billion, twenty-two million, twelve thousand, five".