620066365 has 8 divisors (see below), whose sum is σ = 747857880. Its totient is φ = 493534272.

The previous prime is 620066353. The next prime is 620066393. The reversal of 620066365 is 563660026.

It can be written as a sum of positive squares in 4 ways, for example, as 266701561 + 353364804 = 16331^2 + 18798^2 .

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 620066365 - 2²⁷ = 485848637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620066365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313770 + ... + 315739.

It is an arithmetic number, because the mean of its divisors is an integer number (93482235).

Almost surely, 2^620066365 is an apocalyptic number.

It is an amenable number.

620066365 is a deficient number, since it is larger than the sum of its proper divisors (127791515).

620066365 is a wasteful number, since it uses less digits than its factorization.

620066365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629711.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 620066365 is about 24901.1318015869. The cubic root of 620066365 is about 852.7323217381.

The spelling of 620066365 in words is "six hundred twenty million, sixty-six thousand, three hundred sixty-five".