20001222100202 has 8 divisors (see below), whose sum is σ = 34287809314656. Its totient is φ = 8571952328652.

The previous prime is 20001222100201. The next prime is 20001222100207. The reversal of 20001222100202 is 20200122210002.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1428658721443 = 20001222100202 / (2 + 0 + 0 + 0 + 1 + 2 + 2 + 2 + 1 + 0 + 0 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (20001222100201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714329360708 + ... + 714329360735.

It is an arithmetic number, because the mean of its divisors is an integer number (4285976164332).

Almost surely, 2^{20001222100202} is an apocalyptic number.

20001222100202 is a deficient number, since it is larger than the sum of its proper divisors (14286587214454).

20001222100202 is a wasteful number, since it uses less digits than its factorization.

20001222100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428658721452.

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

Adding to 20001222100202 its reverse (20200122210002), we get a palindrome (40201344310204).

The spelling of 20001222100202 in words is "twenty trillion, one billion, two hundred twenty-two million, one hundred thousand, two hundred two".