20622422016 has 416 divisors, whose sum is σ = 73978490880. Its totient is φ = 5541986304.

The previous prime is 20622421997. The next prime is 20622422063. The reversal of 20622422016 is 61022422602.

It is a happy number.

20622422016 is a `hidden beast` number, since 2 + 0 + 622 + 4 + 2 + 20 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13159665 + ... + 13161231.

Almost surely, 2^20622422016 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 20622422016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36989245440).

20622422016 is an abundant number, since it is smaller than the sum of its proper divisors (53356068864).

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

20622422016 is a wasteful number, since it uses less digits than its factorization.

20622422016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20622422016 its reverse (61022422602), we get a palindrome (81644844618).

The spelling of 20622422016 in words is "twenty billion, six hundred twenty-two million, four hundred twenty-two thousand, sixteen".