20010122020001 has 8 divisors (see below), whose sum is σ = 20081142527424. Its totient is φ = 19939103719920.

The previous prime is 20010122019977. The next prime is 20010122020019. The reversal of 20010122020001 is 10002022101002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20010122020001 - 2¹⁴ = 20010122003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010122020051) 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 7 ways as a sum of consecutive naturals, for example, 18814475 + ... + 19849551.

It is an arithmetic number, because the mean of its divisors is an integer number (2510142815928).

Almost surely, 2^{20010122020001} is an apocalyptic number.

It is an amenable number.

20010122020001 is a deficient number, since it is larger than the sum of its proper divisors (71020507423).

20010122020001 is a wasteful number, since it uses less digits than its factorization.

20010122020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103671.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010122020001 its reverse (10002022101002), we get a palindrome (30012144121003).

The spelling of 20010122020001 in words is "twenty trillion, ten billion, one hundred twenty-two million, twenty thousand, one".