520666702070 has 32 divisors (see below), whose sum is σ = 940366149408. Its totient is φ = 207563401728.

The previous prime is 520666702057. The next prime is 520666702093. The reversal of 520666702070 is 70207666025.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16572917 + ... + 16604303.

It is an arithmetic number, because the mean of its divisors is an integer number (29386442169).

Almost surely, 2^520666702070 is an apocalyptic number.

520666702070 is a deficient number, since it is larger than the sum of its proper divisors (419699447338).

520666702070 is a wasteful number, since it uses less digits than its factorization.

520666702070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36944.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 520666702070 in words is "five hundred twenty billion, six hundred sixty-six million, seven hundred two thousand, seventy".