20224442464 has 24 divisors (see below), whose sum is σ = 39866879808. Its totient is φ = 10099520640.

The previous prime is 20224442419. The next prime is 20224442473. The reversal of 20224442464 is 46424442202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370992 + ... + 421999.

It is an arithmetic number, because the mean of its divisors is an integer number (1661119992).

Almost surely, 2^20224442464 is an apocalyptic number.

It is an amenable number.

20224442464 is a deficient number, since it is larger than the sum of its proper divisors (19642437344).

20224442464 is an equidigital number, since it uses as much as digits as its factorization.

20224442464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793798 (or 793790 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 20224442464 its reverse (46424442202), we get a palindrome (66648884666).

The spelling of 20224442464 in words is "twenty billion, two hundred twenty-four million, four hundred forty-two thousand, four hundred sixty-four".