22003120000 has 80 divisors (see below), whose sum is σ = 54775591200. Its totient is φ = 8801216000.

The previous prime is 22003119997. The next prime is 22003120067. The reversal of 22003120000 is 2130022.

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 (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57520 + ... + 217519.

It is an arithmetic number, because the mean of its divisors is an integer number (684694890).

Almost surely, 2^22003120000 is an apocalyptic number.

22003120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003120000 is an abundant number, since it is smaller than the sum of its proper divisors (32772471200).

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

22003120000 is an frugal number, since it uses more digits than its factorization.

22003120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275073 (or 275046 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 22003120000 its reverse (2130022), we get a palindrome (22005250022).

The spelling of 22003120000 in words is "twenty-two billion, three million, one hundred twenty thousand".