2005365063220 has 12 divisors (see below), whose sum is σ = 4211266632804. Its totient is φ = 802146025280.

The previous prime is 2005365063203. The next prime is 2005365063223. The reversal of 2005365063220 is 223605635002.

It can be written as a sum of positive squares in 2 ways, for example, as 1367903341476 + 637461721744 = 1169574^2 + 798412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005365063223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50134126561 + ... + 50134126600.

It is an arithmetic number, because the mean of its divisors is an integer number (350938886067).

Almost surely, 2^{2005365063220} is an apocalyptic number.

2005365063220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005365063220 is an abundant number, since it is smaller than the sum of its proper divisors (2205901569584).

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

2005365063220 is a wasteful number, since it uses less digits than its factorization.

2005365063220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100268253170 (or 100268253168 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 2005365063220 in words is "two trillion, five billion, three hundred sixty-five million, sixty-three thousand, two hundred twenty".