920447132 has 24 divisors (see below), whose sum is σ = 1761767280. Its totient is φ = 417301760.

The previous prime is 920447123. The next prime is 920447173. The reversal of 920447132 is 231744029.

It is a congruent number.

It is an unprimeable number.

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, 9773 + ... + 44004.

It is an arithmetic number, because the mean of its divisors is an integer number (73406970).

Almost surely, 2^920447132 is an apocalyptic number.

It is an amenable number.

920447132 is a deficient number, since it is larger than the sum of its proper divisors (841320148).

920447132 is a wasteful number, since it uses less digits than its factorization.

920447132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54181 (or 54179 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 920447132 is about 30338.8716335990. The cubic root of 920447132 is about 972.7463643182.

The spelling of 920447132 in words is "nine hundred twenty million, four hundred forty-seven thousand, one hundred thirty-two".