20440020240216 has 192 divisors, whose sum is σ = 56962414080000. Its totient is φ = 6617717729280.

The previous prime is 20440020240181. The next prime is 20440020240257. The reversal of 20440020240216 is 61204202004402.

20440020240216 is a `hidden beast` number, since 2 + 0 + 4 + 40 + 0 + 202 + 402 + 16 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 20440020240216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2672243560 + ... + 2672251208.

It is an arithmetic number, because the mean of its divisors is an integer number (296679240000).

Almost surely, 2^{20440020240216} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20440020240216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28481207040000).

20440020240216 is an abundant number, since it is smaller than the sum of its proper divisors (36522393839784).

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

20440020240216 is a wasteful number, since it uses less digits than its factorization.

20440020240216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414 (or 12407 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20440020240216 its reverse (61204202004402), we get a palindrome (81644222244618).

The spelling of 20440020240216 in words is "twenty trillion, four hundred forty billion, twenty million, two hundred forty thousand, two hundred sixteen".