920228899 has 8 divisors (see below), whose sum is σ = 952310160. Its totient is φ = 888170976.

The previous prime is 920228879. The next prime is 920228923. The reversal of 920228899 is 998822029.

It is a happy number.

920228899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920228899 - 2⁵ = 920228867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920228809) 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, 122712 + ... + 129994.

It is an arithmetic number, because the mean of its divisors is an integer number (119038770).

Almost surely, 2^920228899 is an apocalyptic number.

920228899 is a deficient number, since it is larger than the sum of its proper divisors (32081261).

920228899 is a wasteful number, since it uses less digits than its factorization.

920228899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11669.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 920228899 is about 30335.2748298083. The cubic root of 920228899 is about 972.6694806207.

The spelling of 920228899 in words is "nine hundred twenty million, two hundred twenty-eight thousand, eight hundred ninety-nine".