22010002320 has 80 divisors (see below), whose sum is σ = 68268755520. Its totient is φ = 5866086912.

The previous prime is 22010002291. The next prime is 22010002351. The reversal of 22010002320 is 2320001022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22010002296 and 22010002305.

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, 426051 + ... + 474909.

It is an arithmetic number, because the mean of its divisors is an integer number (853359444).

Almost surely, 2^22010002320 is an apocalyptic number.

22010002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010002320 is an abundant number, since it is smaller than the sum of its proper divisors (46258753200).

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

22010002320 is a wasteful number, since it uses less digits than its factorization.

22010002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50752 (or 50746 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22010002320 its reverse (2320001022), we get a palindrome (24330003342).

The spelling of 22010002320 in words is "twenty-two billion, ten million, two thousand, three hundred twenty".