920204992 has 112 divisors (see below), whose sum is σ = 2172321792. Its totient is φ = 378455040.

The previous prime is 920204983. The next prime is 920204993. The reversal of 920204992 is 299402029.

920204992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (920204993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402433 + ... + 2402815.

Almost surely, 2^920204992 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 920204992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1086160896).

920204992 is an abundant number, since it is smaller than the sum of its proper divisors (1252116800).

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

920204992 is a wasteful number, since it uses less digits than its factorization.

920204992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 920204992 is about 30334.8807810415. The cubic root of 920204992 is about 972.6610574227.

The spelling of 920204992 in words is "nine hundred twenty million, two hundred four thousand, nine hundred ninety-two".