20443440032212 has 24 divisors (see below), whose sum is σ = 37524704200704. Its totient is φ = 9733851834912.

The previous prime is 20443440032161. The next prime is 20443440032227. The reversal of 20443440032212 is 21223004434402.

It is a super-2 number, since 2×20443440032212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469475508 + ... + 1469489419.

It is an arithmetic number, because the mean of its divisors is an integer number (1563529341696).

Almost surely, 2^{20443440032212} is an apocalyptic number.

It is an amenable number.

20443440032212 is a deficient number, since it is larger than the sum of its proper divisors (17081264168492).

20443440032212 is a wasteful number, since it uses less digits than its factorization.

20443440032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938965015 (or 2938965013 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20443440032212 its reverse (21223004434402), we get a palindrome (41666444466614).

The spelling of 20443440032212 in words is "twenty trillion, four hundred forty-three billion, four hundred forty million, thirty-two thousand, two hundred twelve".