920807732 has 12 divisors (see below), whose sum is σ = 1735368516. Its totient is φ = 424988160.

The previous prime is 920807731. The next prime is 920807759. The reversal of 920807732 is 237708029.

920807732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 599466256 + 321341476 = 24484^2 + 17926^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920807731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8853869 + ... + 8853972.

It is an arithmetic number, because the mean of its divisors is an integer number (144614043).

Almost surely, 2^920807732 is an apocalyptic number.

It is an amenable number.

920807732 is a deficient number, since it is larger than the sum of its proper divisors (814560784).

920807732 is a wasteful number, since it uses less digits than its factorization.

920807732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17707858 (or 17707856 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 920807732 is about 30344.8139226458. The cubic root of 920807732 is about 972.8733774223.

The spelling of 920807732 in words is "nine hundred twenty million, eight hundred seven thousand, seven hundred thirty-two".