22012109680 has 160 divisors (see below), whose sum is σ = 56759367168. Its totient is φ = 7872384000.

The previous prime is 22012109663. The next prime is 22012109683. The reversal of 22012109680 is 8690121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012109683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14842219 + ... + 14843701.

Almost surely, 2^22012109680 is an apocalyptic number.

22012109680 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 22012109680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28379683584).

22012109680 is an abundant number, since it is smaller than the sum of its proper divisors (34747257488).

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

22012109680 is a wasteful number, since it uses less digits than its factorization.

22012109680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 22012109680 in words is "twenty-two billion, twelve million, one hundred nine thousand, six hundred eighty".