20201000020122 has 8 divisors (see below), whose sum is σ = 40402000040256. Its totient is φ = 6733666673372.

The previous prime is 20201000020057. The next prime is 20201000020133. The reversal of 20201000020122 is 22102000010202.

It is a sphenic number, since it is the product of 3 distinct primes.

20201000020122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20201000020098 and 20201000020107.

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 3 ways as a sum of consecutive naturals, for example, 1683416668338 + ... + 1683416668349.

It is an arithmetic number, because the mean of its divisors is an integer number (5050250005032).

Almost surely, 2^{20201000020122} is an apocalyptic number.

20201000020122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20201000020122 is a wasteful number, since it uses less digits than its factorization.

20201000020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366833336692.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20201000020122 its reverse (22102000010202), we get a palindrome (42303000030324).

The spelling of 20201000020122 in words is "twenty trillion, two hundred one billion, twenty thousand, one hundred twenty-two".