9220040920 has 32 divisors (see below), whose sum is σ = 21096709200. Its totient is φ = 3625506688.

The previous prime is 9220040891. The next prime is 9220040923. The reversal of 9220040920 is 290400229.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220040923) 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, 1951039 + ... + 1955758.

Almost surely, 2^9220040920 is an apocalyptic number.

It is an amenable number.

9220040920 is an abundant number, since it is smaller than the sum of its proper divisors (11876668280).

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

9220040920 is a wasteful number, since it uses less digits than its factorization.

9220040920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906867 (or 3906863 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 9220040920 is about 96021.0441517900. The cubic root of 9220040920 is about 2096.8995001724.

The spelling of 9220040920 in words is "nine billion, two hundred twenty million, forty thousand, nine hundred twenty".