22005796140 has 36 divisors (see below), whose sum is σ = 66750915504. Its totient is φ = 5868212256.

The previous prime is 22005796129. The next prime is 22005796147. The reversal of 22005796140 is 4169750022.

22005796140 is a `hidden beast` number, since 2 + 20 + 0 + 579 + 61 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22005796095 and 22005796104.

It is not an unprimeable number, because it can be changed into a prime (22005796147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61127032 + ... + 61127391.

Almost surely, 2^22005796140 is an apocalyptic number.

22005796140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22005796140 is an abundant number, since it is smaller than the sum of its proper divisors (44745119364).

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

22005796140 is a wasteful number, since it uses less digits than its factorization.

22005796140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122254438 (or 122254433 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 22005796140 in words is "twenty-two billion, five million, seven hundred ninety-six thousand, one hundred forty".