22804554920 has 96 divisors (see below), whose sum is σ = 60699391200. Its totient is φ = 7686145152.

The previous prime is 22804554911. The next prime is 22804554923. The reversal of 22804554920 is 2945540822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22804554923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17039 + ... + 214241.

It is an arithmetic number, because the mean of its divisors is an integer number (632285325).

Almost surely, 2^22804554920 is an apocalyptic number.

22804554920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22804554920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30349695600).

22804554920 is an abundant number, since it is smaller than the sum of its proper divisors (37894836280).

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

22804554920 is a wasteful number, since it uses less digits than its factorization.

22804554920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197287 (or 197276 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 22804554920 in words is "twenty-two billion, eight hundred four million, five hundred fifty-four thousand, nine hundred twenty".