20000211221002 has 32 divisors (see below), whose sum is σ = 30115980679680. Its totient is φ = 9961643502720.

The previous prime is 20000211220987. The next prime is 20000211221009. The reversal of 20000211221002 is 20012211200002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20000211221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241392927 + ... + 1241409037.

It is an arithmetic number, because the mean of its divisors is an integer number (941124396240).

Almost surely, 2^{20000211221002} is an apocalyptic number.

20000211221002 is a deficient number, since it is larger than the sum of its proper divisors (10115769458678).

20000211221002 is a wasteful number, since it uses less digits than its factorization.

20000211221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18838.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000211221002 its reverse (20012211200002), we get a palindrome (40012422421004).

The spelling of 20000211221002 in words is "twenty trillion, two hundred eleven million, two hundred twenty-one thousand, two".