20000220122001 has 16 divisors (see below), whose sum is σ = 30479393000448. Its totient is φ = 11427622050000.

The previous prime is 20000220121991. The next prime is 20000220122021. The reversal of 20000220122001 is 10022102200002.

It is not a de Polignac number, because 20000220122001 - 2⁷ = 20000220121873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20000220122021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44569875 + ... + 45016376.

It is an arithmetic number, because the mean of its divisors is an integer number (1904962062528).

Almost surely, 2^{20000220122001} is an apocalyptic number.

20000220122001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20000220122001 is a deficient number, since it is larger than the sum of its proper divisors (10479172878447).

20000220122001 is a wasteful number, since it uses less digits than its factorization.

20000220122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89596892.

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

Adding to 20000220122001 its reverse (10022102200002), we get a palindrome (30022322322003).

The spelling of 20000220122001 in words is "twenty trillion, two hundred twenty million, one hundred twenty-two thousand, one".