20001200020022 has 32 divisors (see below), whose sum is σ = 32347311189984. Its totient is φ = 9220562208000.

The previous prime is 20001200020003. The next prime is 20001200020027. The reversal of 20001200020022 is 22002000210002.

It is a junction number, because it is equal to n+sod(n) for n = 20001200019985 and 20001200020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001200020027) 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 15 ways as a sum of consecutive naturals, for example, 99061772 + ... + 99263472.

It is an arithmetic number, because the mean of its divisors is an integer number (1010853474687).

Almost surely, 2^{20001200020022} is an apocalyptic number.

20001200020022 is a deficient number, since it is larger than the sum of its proper divisors (12346111169962).

20001200020022 is a wasteful number, since it uses less digits than its factorization.

20001200020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206144.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20001200020022 its reverse (22002000210002), we get a palindrome (42003200230024).

The spelling of 20001200020022 in words is "twenty trillion, one billion, two hundred million, twenty thousand, twenty-two".