920806117 has 8 divisors (see below), whose sum is σ = 1148018112. Its totient is φ = 717511200.

The previous prime is 920806069. The next prime is 920806123. The reversal of 920806117 is 711608029.

It is a happy number.

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

It is not a de Polignac number, because 920806117 - 2¹⁵ = 920773349 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 (920806157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979184 + ... + 5979337.

It is an arithmetic number, because the mean of its divisors is an integer number (143502264).

Almost surely, 2^920806117 is an apocalyptic number.

It is an amenable number.

920806117 is a deficient number, since it is larger than the sum of its proper divisors (227211995).

920806117 is a wasteful number, since it uses less digits than its factorization.

920806117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11958539.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 920806117 is about 30344.7873118267. The cubic root of 920806117 is about 972.8728086494.

The spelling of 920806117 in words is "nine hundred twenty million, eight hundred six thousand, one hundred seventeen".