20022220012000 has 96 divisors (see below), whose sum is σ = 49369667072544. Its totient is φ = 7980386176000.

The previous prime is 20022220011961. The next prime is 20022220012037. The reversal of 20022220012000 is 21002222002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782682 + ... + 10030681.

It is an arithmetic number, because the mean of its divisors is an integer number (514267365339).

Almost surely, 2^{20022220012000} is an apocalyptic number.

20022220012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022220012000 is an abundant number, since it is smaller than the sum of its proper divisors (29347447060544).

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

20022220012000 is a wasteful number, since it uses less digits than its factorization.

20022220012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813669 (or 17813651 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20022220012000 its reverse (21002222002), we get a palindrome (20043222234002).

The spelling of 20022220012000 in words is "twenty trillion, twenty-two billion, two hundred twenty million, twelve thousand".