22036720000 has 80 divisors (see below), whose sum is σ = 54859236300. Its totient is φ = 8814656000.

The previous prime is 22036719967. The next prime is 22036720007. The reversal of 22036720000 is 2763022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22036720007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57730 + ... + 217729.

Almost surely, 2^22036720000 is an apocalyptic number.

22036720000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22036720000 is an abundant number, since it is smaller than the sum of its proper divisors (32822516300).

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

22036720000 is an frugal number, since it uses more digits than its factorization.

22036720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275493 (or 275466 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The spelling of 22036720000 in words is "twenty-two billion, thirty-six million, seven hundred twenty thousand".