20000000122000 has 40 divisors (see below), whose sum is σ = 48360000299832. Its totient is φ = 8000000048000.

The previous prime is 20000000121991. The next prime is 20000000122033. The reversal of 20000000122000 is 22100000002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1724956517376 + 18275043604624 = 1313376^2 + 4274932^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4999998031 + ... + 5000002030.

Almost surely, 2^{20000000122000} is an apocalyptic number.

20000000122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000000122000 is an abundant number, since it is smaller than the sum of its proper divisors (28360000177832).

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

20000000122000 is a wasteful number, since it uses less digits than its factorization.

20000000122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000000084 (or 10000000068 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 20000000122000 its reverse (22100000002), we get a palindrome (20022100122002).

The spelling of 20000000122000 in words is "twenty trillion, one hundred twenty-two thousand".