920017271 has 8 divisors (see below), whose sum is σ = 974413440. Its totient is φ = 865651968.

The previous prime is 920017261. The next prime is 920017277. The reversal of 920017271 is 172710029.

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

It is a de Polignac number, because none of the positive numbers 2^k-920017271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920017277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86915 + ... + 96923.

It is an arithmetic number, because the mean of its divisors is an integer number (121801680).

Almost surely, 2^920017271 is an apocalyptic number.

920017271 is a deficient number, since it is larger than the sum of its proper divisors (54396169).

920017271 is a wasteful number, since it uses less digits than its factorization.

920017271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15433.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 920017271 is about 30331.7864788739. The cubic root of 920017271 is about 972.5949122611.

The spelling of 920017271 in words is "nine hundred twenty million, seventeen thousand, two hundred seventy-one".