920561712 has 80 divisors (see below), whose sum is σ = 2721968640. Its totient is φ = 262619136.

The previous prime is 920561701. The next prime is 920561749. The reversal of 920561712 is 217165029.

920561712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274864 + ... + 278192.

It is an arithmetic number, because the mean of its divisors is an integer number (34024608).

Almost surely, 2^920561712 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 920561712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360984320).

920561712 is an abundant number, since it is smaller than the sum of its proper divisors (1801406928).

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

920561712 is a wasteful number, since it uses less digits than its factorization.

920561712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 920561712 is about 30340.7599113799. The cubic root of 920561712 is about 972.7867260982.

The spelling of 920561712 in words is "nine hundred twenty million, five hundred sixty-one thousand, seven hundred twelve".