20200001112221 has 32 divisors (see below), whose sum is σ = 23569260042240. Its totient is φ = 16952975859456.

The previous prime is 20200001112199. The next prime is 20200001112227. The reversal of 20200001112221 is 12221110000202.

It is not a de Polignac number, because 20200001112221 - 2⁴² = 15801954601117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200001112196 and 20200001112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200001112227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090880255 + ... + 1090898771.

It is an arithmetic number, because the mean of its divisors is an integer number (736539376320).

Almost surely, 2^{20200001112221} is an apocalyptic number.

It is an amenable number.

20200001112221 is a deficient number, since it is larger than the sum of its proper divisors (3369258930019).

20200001112221 is a wasteful number, since it uses less digits than its factorization.

20200001112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24413.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20200001112221 its reverse (12221110000202), we get a palindrome (32421111112423).

The spelling of 20200001112221 in words is "twenty trillion, two hundred billion, one million, one hundred twelve thousand, two hundred twenty-one".