2017056920 has 16 divisors (see below), whose sum is σ = 4538378160. Its totient is φ = 806822752.

The previous prime is 2017056917. The next prime is 2017056947. The reversal of 2017056920 is 296507102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25213172 + ... + 25213251.

It is an arithmetic number, because the mean of its divisors is an integer number (283648635).

Almost surely, 2^2017056920 is an apocalyptic number.

2017056920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2017056920 is an abundant number, since it is smaller than the sum of its proper divisors (2521321240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2017056920 is a wasteful number, since it uses less digits than its factorization.

2017056920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50426434 (or 50426430 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 2017056920 is about 44911.6568387317. The cubic root of 2017056920 is about 1263.4926444148.

The spelling of 2017056920 in words is "two billion, seventeen million, fifty-six thousand, nine hundred twenty".