20012244221002 has 16 divisors (see below), whose sum is σ = 33208538428224. Its totient is φ = 8968355284000.

The previous prime is 20012244220981. The next prime is 20012244221009.

20012244221002 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×20012244221002² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20012244221009) 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, 6405966499 + ... + 6405969622.

It is an arithmetic number, because the mean of its divisors is an integer number (2075533651764).

Almost surely, 2^{20012244221002} is an apocalyptic number.

20012244221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012244221002 is a deficient number, since it is larger than the sum of its proper divisors (13196294207222).

20012244221002 is a wasteful number, since it uses less digits than its factorization.

20012244221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12811936205.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 2001224 and 4221002, that added together give a palindrome (6222226).

The spelling of 20012244221002 in words is "twenty trillion, twelve billion, two hundred forty-four million, two hundred twenty-one thousand, two".