620284205 has 4 divisors (see below), whose sum is σ = 744341052. Its totient is φ = 496227360.

The previous prime is 620284199. The next prime is 620284207. The reversal of 620284205 is 502482026.

620284205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502482026 = 2 ⋅251241013.

It can be written as a sum of positive squares in 2 ways, for example, as 346480996 + 273803209 = 18614^2 + 16547^2 .

It is not a de Polignac number, because 620284205 - 2¹² = 620280109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620284207) 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, 62028416 + ... + 62028425.

It is an arithmetic number, because the mean of its divisors is an integer number (186085263).

Almost surely, 2^620284205 is an apocalyptic number.

It is an amenable number.

620284205 is a deficient number, since it is larger than the sum of its proper divisors (124056847).

620284205 is a wasteful number, since it uses less digits than its factorization.

620284205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124056846.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 620284205 is about 24905.5055158493. The cubic root of 620284205 is about 852.8321698996.

The spelling of 620284205 in words is "six hundred twenty million, two hundred eighty-four thousand, two hundred five".