20002044444216 has 64 divisors (see below), whose sum is σ = 51640252185600. Its totient is φ = 6449513280000.

The previous prime is 20002044444199. The next prime is 20002044444227. The reversal of 20002044444216 is 61244444020002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006785 + ... + 7487216.

It is an arithmetic number, because the mean of its divisors is an integer number (806878940400).

Almost surely, 2^{20002044444216} is an apocalyptic number.

It is an amenable number.

20002044444216 is an abundant number, since it is smaller than the sum of its proper divisors (31638207741384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002044444216 is a wasteful number, since it uses less digits than its factorization.

20002044444216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496380 (or 11496376 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20002044444216 its reverse (61244444020002), we get a palindrome (81246488464218).

The spelling of 20002044444216 in words is "twenty trillion, two billion, forty-four million, four hundred forty-four thousand, two hundred sixteen".