2005351020216 has 64 divisors (see below), whose sum is σ = 5812611667200. Its totient is φ = 639387280224.

The previous prime is 2005351020209. The next prime is 2005351020221. The reversal of 2005351020216 is 6120201535002.

It is a happy number.

2005351020216 is a `hidden beast` number, since 2 + 0 + 0 + 535 + 102 + 0 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2005351020216.

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, 201821826 + ... + 201831761.

It is an arithmetic number, because the mean of its divisors is an integer number (90822057300).

Almost surely, 2^{2005351020216} is an apocalyptic number.

It is an amenable number.

2005351020216 is an abundant number, since it is smaller than the sum of its proper divisors (3807260646984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005351020216 is a wasteful number, since it uses less digits than its factorization.

2005351020216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403653625 (or 403653615 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 2005351020216 its reverse (6120201535002), we get a palindrome (8125552555218).

The spelling of 2005351020216 in words is "two trillion, five billion, three hundred fifty-one million, twenty thousand, two hundred sixteen".