20220012000 has 144 divisors (see below), whose sum is σ = 71760950352. Its totient is φ = 5391993600.

The previous prime is 20220011963. The next prime is 20220012013. The reversal of 20220012000 is 21002202.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244834 + ... + 316833.

It is an arithmetic number, because the mean of its divisors is an integer number (498339933).

Almost surely, 2^20220012000 is an apocalyptic number.

20220012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220012000 is an abundant number, since it is smaller than the sum of its proper divisors (51540938352).

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

20220012000 is a wasteful number, since it uses less digits than its factorization.

20220012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561698 (or 561677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20220012000 its reverse (21002202), we get a palindrome (20241014202).

The spelling of 20220012000 in words is "twenty billion, two hundred twenty million, twelve thousand".