202012220005 has 16 divisors (see below), whose sum is σ = 260190445104. Its totient is φ = 150019706880.

The previous prime is 202012219991. The next prime is 202012220021. The reversal of 202012220005 is 500022210202.

It can be written as a sum of positive squares in 8 ways, for example, as 4081548769 + 197930671236 = 63887^2 + 444894^2 .

It is a de Polignac number, because none of the positive numbers 2^k-202012220005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16271976 + ... + 16284385.

It is an arithmetic number, because the mean of its divisors is an integer number (16261902819).

Almost surely, 2^202012220005 is an apocalyptic number.

It is an amenable number.

202012220005 is a deficient number, since it is larger than the sum of its proper divisors (58178225099).

202012220005 is a wasteful number, since it uses less digits than its factorization.

202012220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32556456.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 202012220005 its reverse (500022210202), we get a palindrome (702034430207).

The spelling of 202012220005 in words is "two hundred two billion, twelve million, two hundred twenty thousand, five".