20622221600616 has 256 divisors, whose sum is σ = 59011096320000. Its totient is φ = 6670651553280.

The previous prime is 20622221600599. The next prime is 20622221600627. The reversal of 20622221600616 is 61600612222602.

20622221600616 is a `hidden beast` number, since 2 + 0 + 6 + 2 + 2 + 22 + 16 + 0 + 0 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259689285 + ... + 259768683.

It is an arithmetic number, because the mean of its divisors is an integer number (230512095000).

Almost surely, 2^{20622221600616} 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 20622221600616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29505548160000).

20622221600616 is an abundant number, since it is smaller than the sum of its proper divisors (38388874719384).

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

20622221600616 is a wasteful number, since it uses less digits than its factorization.

20622221600616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79749 (or 79739 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 20622221600616 in words is "twenty trillion, six hundred twenty-two billion, two hundred twenty-one million, six hundred thousand, six hundred sixteen".