20002220212011 has 8 divisors (see below), whose sum is σ = 26669648963904. Its totient is φ = 13334802467400.

The previous prime is 20002220211991. The next prime is 20002220212063. The reversal of 20002220212011 is 11021202220002.

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

It is not a de Polignac number, because 20002220212011 - 2¹⁷ = 20002220080939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002220212111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549760 + ... + 7252946.

It is an arithmetic number, because the mean of its divisors is an integer number (3333706120488).

Almost surely, 2^{20002220212011} is an apocalyptic number.

20002220212011 is a deficient number, since it is larger than the sum of its proper divisors (6667428751893).

20002220212011 is a wasteful number, since it uses less digits than its factorization.

20002220212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503641.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002220212011 its reverse (11021202220002), we get a palindrome (31023422432013).

The spelling of 20002220212011 in words is "twenty trillion, two billion, two hundred twenty million, two hundred twelve thousand, eleven".