920305896320 has 384 divisors, whose sum is σ = 2518095003840. Its totient is φ = 319903367168.

The previous prime is 920305896317. The next prime is 920305896353. The reversal of 920305896320 is 23698503029.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210449654 + ... + 210454026.

Almost surely, 2^920305896320 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 920305896320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259047501920).

920305896320 is an abundant number, since it is smaller than the sum of its proper divisors (1597789107520).

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

920305896320 is a wasteful number, since it uses less digits than its factorization.

920305896320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 920305896320 in words is "nine hundred twenty billion, three hundred five million, eight hundred ninety-six thousand, three hundred twenty".