20002020212005 has 96 divisors (see below), whose sum is σ = 28044893205504. Its totient is φ = 13602123459072.

The previous prime is 20002020212003. The next prime is 20002020212039. The reversal of 20002020212005 is 50021202020002.

It is not a de Polignac number, because 20002020212005 - 2¹ = 20002020212003 is a prime.

It is a super-2 number, since 2×20002020212005² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20002020212005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002020212003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 957619672 + ... + 957640558.

It is an arithmetic number, because the mean of its divisors is an integer number (292134304224).

Almost surely, 2^{20002020212005} is an apocalyptic number.

It is an amenable number.

20002020212005 is a deficient number, since it is larger than the sum of its proper divisors (8042872993499).

20002020212005 is a wasteful number, since it uses less digits than its factorization.

20002020212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22083 (or 22064 counting only the distinct ones).

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

Adding to 20002020212005 its reverse (50021202020002), we get a palindrome (70023222232007).

The spelling of 20002020212005 in words is "twenty trillion, two billion, twenty million, two hundred twelve thousand, five".