920327909 has 8 divisors (see below), whose sum is σ = 970128000. Its totient is φ = 870664032.

The previous prime is 920327887. The next prime is 920327921. The reversal of 920327909 is 909723029.

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

It is a cyclic number.

It is not a de Polignac number, because 920327909 - 2²⁸ = 651892453 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 (920327939) 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, 20024 + ... + 47345.

It is an arithmetic number, because the mean of its divisors is an integer number (121266000).

Almost surely, 2^920327909 is an apocalyptic number.

It is an amenable number.

920327909 is a deficient number, since it is larger than the sum of its proper divisors (49800091).

920327909 is a wasteful number, since it uses less digits than its factorization.

920327909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68107.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 920327909 is about 30336.9067144295. The cubic root of 920327909 is about 972.7043634459.

The spelling of 920327909 in words is "nine hundred twenty million, three hundred twenty-seven thousand, nine hundred nine".