605220020000 has 90 divisors (see below), whose sum is σ = 1489202747109. Its totient is φ = 242044000000.

The previous prime is 605220019991. The next prime is 605220020059. The reversal of 605220020000 is 20022506.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

605220020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 77789672464 + 527430347536 = 278908^2 + 726244^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=550100.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 110017250 + ... + 110022750.

Almost surely, 2^605220020000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605220020000

605220020000 is an abundant number, since it is smaller than the sum of its proper divisors (883982727109).

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

605220020000 is an frugal number, since it uses more digits than its factorization.

605220020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 5508 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

Adding to 605220020000 its reverse (20022506), we get a palindrome (605240042506).

The spelling of 605220020000 in words is "six hundred five billion, two hundred twenty million, twenty thousand".