920633664 has 56 divisors (see below), whose sum is σ = 2439639520. Its totient is φ = 306399744.

The previous prime is 920633663. The next prime is 920633677. The reversal of 920633664 is 466336029.

920633664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920633663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132747 + ... + 139509.

Almost surely, 2^920633664 is an apocalyptic number.

It is an amenable number.

920633664 is an abundant number, since it is smaller than the sum of its proper divisors (1519005856).

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

920633664 is a wasteful number, since it uses less digits than its factorization.

920633664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The square root of 920633664 is about 30341.9456198840. The cubic root of 920633664 is about 972.8120700906.

The spelling of 920633664 in words is "nine hundred twenty million, six hundred thirty-three thousand, six hundred sixty-four".