20224444002040 has 64 divisors (see below), whose sum is σ = 49551723108000. Its totient is φ = 7399723968000.

The previous prime is 20224444001999. The next prime is 20224444002079. The reversal of 20224444002040 is 4020044442202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458790211 + ... + 458834290.

Almost surely, 2^{20224444002040} is an apocalyptic number.

20224444002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224444002040 is an abundant number, since it is smaller than the sum of its proper divisors (29327279105960).

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

20224444002040 is a wasteful number, since it uses less digits than its factorization.

20224444002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917624560 (or 917624556 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20224444002040 its reverse (4020044442202), we get a palindrome (24244488444242).

The spelling of 20224444002040 in words is "twenty trillion, two hundred twenty-four billion, four hundred forty-four million, two thousand, forty".