20224406982 has 64 divisors (see below), whose sum is σ = 44140078080. Its totient is φ = 6140254464.

The previous prime is 20224406971. The next prime is 20224406999. The reversal of 20224406982 is 28960442202.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 20224406982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7307763 + ... + 7310529.

It is an arithmetic number, because the mean of its divisors is an integer number (689688720).

Almost surely, 2^20224406982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20224406982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22070039040).

20224406982 is an abundant number, since it is smaller than the sum of its proper divisors (23915671098).

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

20224406982 is a wasteful number, since it uses less digits than its factorization.

20224406982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 20224406982 in words is "twenty billion, two hundred twenty-four million, four hundred six thousand, nine hundred eighty-two".