620005066 has 8 divisors (see below), whose sum is σ = 970442784. Its totient is φ = 296524140.

The previous prime is 620005063. The next prime is 620005073. The reversal of 620005066 is 660500026.

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

It is a self number, because there is not a number n which added to its sum of digits gives 620005066.

It is not an unprimeable number, because it can be changed into a prime (620005063) 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, 6739140 + ... + 6739231.

It is an arithmetic number, because the mean of its divisors is an integer number (121305348).

Almost surely, 2^620005066 is an apocalyptic number.

620005066 is a deficient number, since it is larger than the sum of its proper divisors (350437718).

620005066 is a wasteful number, since it uses less digits than its factorization.

620005066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478396.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 620005066 is about 24899.9009234977. The cubic root of 620005066 is about 852.7042207884.

The spelling of 620005066 in words is "six hundred twenty million, five thousand, sixty-six".