620564465026 has 16 divisors (see below), whose sum is σ = 1016865944640. Its totient is φ = 281686751280.

The previous prime is 620564465009. The next prime is 620564465039.

620564465026 is nontrivially palindromic in base 10.

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, 19383921 + ... + 19415908.

It is an arithmetic number, because the mean of its divisors is an integer number (63554121540).

Almost surely, 2^620564465026 is an apocalyptic number.

620564465026 is a deficient number, since it is larger than the sum of its proper divisors (396301479614).

620564465026 is a wasteful number, since it uses less digits than its factorization.

620564465026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800569.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 620564465026 in words is "six hundred twenty billion, five hundred sixty-four million, four hundred sixty-five thousand, twenty-six".