20000221022201 has 16 divisors (see below), whose sum is σ = 24408342205440. Its totient is φ = 16017974562240.

The previous prime is 20000221022161. The next prime is 20000221022237. The reversal of 20000221022201 is 10222012200002.

It is a de Polignac number, because none of the positive numbers 2^k-20000221022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000221025201) 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, 1589078486 + ... + 1589091071.

It is an arithmetic number, because the mean of its divisors is an integer number (1525521387840).

Almost surely, 2^{20000221022201} is an apocalyptic number.

It is an amenable number.

20000221022201 is a deficient number, since it is larger than the sum of its proper divisors (4408121183239).

20000221022201 is a wasteful number, since it uses less digits than its factorization.

20000221022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178169624.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20000221022201 its reverse (10222012200002), we get a palindrome (30222233222203).

The spelling of 20000221022201 in words is "twenty trillion, two hundred twenty-one million, twenty-two thousand, two hundred one".