920047173 has 8 divisors (see below), whose sum is σ = 1280065728. Its totient is φ = 586696704.

The previous prime is 920047159. The next prime is 920047187. The reversal of 920047173 is 371740029.

It is an interprime number because it is at equal distance from previous prime (920047159) and next prime (920047187).

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

It is not a de Polignac number, because 920047173 - 2²² = 915852869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920047133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6666940 + ... + 6667077.

It is an arithmetic number, because the mean of its divisors is an integer number (160008216).

Almost surely, 2^920047173 is an apocalyptic number.

It is an amenable number.

920047173 is a deficient number, since it is larger than the sum of its proper divisors (360018555).

920047173 is a wasteful number, since it uses less digits than its factorization.

920047173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334043.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 920047173 is about 30332.2793901151. The cubic root of 920047173 is about 972.6054490988.

The spelling of 920047173 in words is "nine hundred twenty million, forty-seven thousand, one hundred seventy-three".