920645882 has 16 divisors (see below), whose sum is σ = 1488769632. Its totient is φ = 424464240.

The previous prime is 920645879. The next prime is 920645903. The reversal of 920645882 is 288546029.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7013 + ... + 43479.

It is an arithmetic number, because the mean of its divisors is an integer number (93048102).

Almost surely, 2^920645882 is an apocalyptic number.

920645882 is a deficient number, since it is larger than the sum of its proper divisors (568123750).

920645882 is a wasteful number, since it uses less digits than its factorization.

920645882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37453.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 920645882 is about 30342.1469576561. The cubic root of 920645882 is about 972.8163735632.

The spelling of 920645882 in words is "nine hundred twenty million, six hundred forty-five thousand, eight hundred eighty-two".