620341105 has 8 divisors (see below), whose sum is σ = 744547752. Its totient is φ = 496180608.

The previous prime is 620341081. The next prime is 620341123. The reversal of 620341105 is 501143026.

It can be written as a sum of positive squares in 4 ways, for example, as 184742464 + 435598641 = 13592^2 + 20871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620341105 - 2⁹ = 620340593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35419 + ... + 49951.

It is an arithmetic number, because the mean of its divisors is an integer number (93068469).

Almost surely, 2^620341105 is an apocalyptic number.

It is an amenable number.

620341105 is a deficient number, since it is larger than the sum of its proper divisors (124206647).

620341105 is a wasteful number, since it uses less digits than its factorization.

620341105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23075.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 620341105 is about 24906.6478073626. The cubic root of 620341105 is about 852.8582464768.

The spelling of 620341105 in words is "six hundred twenty million, three hundred forty-one thousand, one hundred five".