605700020 has 12 divisors (see below), whose sum is σ = 1271970084. Its totient is φ = 242280000.

The previous prime is 605699989. The next prime is 605700023. The reversal of 605700020 is 20007506.

605700020 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 2 ways, for example, as 149279524 + 456420496 = 12218^2 + 21364^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 30285001 = 605700020 / (6 + 0 + 5 + 7 + 0 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 605699965 and 605700001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605700023) 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, 15142481 + ... + 15142520.

It is an arithmetic number, because the mean of its divisors is an integer number (105997507).

Almost surely, 2^605700020 is an apocalyptic number.

It is an amenable number.

605700020 is an abundant number, since it is smaller than the sum of its proper divisors (666270064).

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

605700020 is a wasteful number, since it uses less digits than its factorization.

605700020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30285010 (or 30285008 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 605700020 is about 24610.9735687152. The cubic root of 605700020 is about 846.0951313232.

Adding to 605700020 its reverse (20007506), we get a palindrome (625707526).

The spelling of 605700020 in words is "six hundred five million, seven hundred thousand, twenty".