20000220100001 has 16 divisors (see below), whose sum is σ = 20729812239360. Its totient is φ = 19273300475520.

The previous prime is 20000220099997. The next prime is 20000220100019. The reversal of 20000220100001 is 10000102200002.

It is a cyclic number.

It is not a de Polignac number, because 20000220100001 - 2² = 20000220099997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000220100901) 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, 110296256 + ... + 110477438.

It is an arithmetic number, because the mean of its divisors is an integer number (1295613264960).

Almost surely, 2^{20000220100001} is an apocalyptic number.

It is an amenable number.

20000220100001 is a deficient number, since it is larger than the sum of its proper divisors (729592139359).

20000220100001 is a wasteful number, since it uses less digits than its factorization.

20000220100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188536.

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

Adding to 20000220100001 its reverse (10000102200002), we get a palindrome (30000322300003).

The spelling of 20000220100001 in words is "twenty trillion, two hundred twenty million, one hundred thousand, one".