920099776 has 56 divisors (see below), whose sum is σ = 1935032960. Its totient is φ = 432864000.

The previous prime is 920099773. The next prime is 920099813. The reversal of 920099776 is 677990029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920099771) 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, 181111 + ... + 186121.

It is an arithmetic number, because the mean of its divisors is an integer number (34554160).

Almost surely, 2^920099776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920099776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967516480).

920099776 is an abundant number, since it is smaller than the sum of its proper divisors (1014933184).

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

920099776 is a wasteful number, since it uses less digits than its factorization.

920099776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 920099776 is about 30333.1464902670. The cubic root of 920099776 is about 972.6239847387.

The spelling of 920099776 in words is "nine hundred twenty million, ninety-nine thousand, seven hundred seventy-six".