920699568 has 160 divisors (see below), whose sum is σ = 2903385600. Its totient is φ = 278049024.

The previous prime is 920699561. The next prime is 920699621. The reversal of 920699568 is 865996029.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (920699561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186346 + ... + 191222.

It is an arithmetic number, because the mean of its divisors is an integer number (18146160).

Almost surely, 2^920699568 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 920699568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451692800).

920699568 is an abundant number, since it is smaller than the sum of its proper divisors (1982686032).

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

920699568 is a wasteful number, since it uses less digits than its factorization.

920699568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 920699568 is about 30343.0316217744. The cubic root of 920699568 is about 972.8352826087.

The spelling of 920699568 in words is "nine hundred twenty million, six hundred ninety-nine thousand, five hundred sixty-eight".