620004005 has 16 divisors (see below), whose sum is σ = 769976064. Its totient is φ = 478895040.

The previous prime is 620003987. The next prime is 620004013. The reversal of 620004005 is 500400026.

It is not a de Polignac number, because 620004005 - 2⁸ = 620003749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11444 + ... + 37026.

It is an arithmetic number, because the mean of its divisors is an integer number (48123504).

Almost surely, 2^620004005 is an apocalyptic number.

It is an amenable number.

620004005 is a deficient number, since it is larger than the sum of its proper divisors (149972059).

620004005 is a wasteful number, since it uses less digits than its factorization.

620004005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25756.

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

The square root of 620004005 is about 24899.8796181829. The cubic root of 620004005 is about 852.7037343839.

The spelling of 620004005 in words is "six hundred twenty million, four thousand, five".