20003565420244 has 12 divisors (see below), whose sum is σ = 40007130840544. Its totient is φ = 8572956608664.

The previous prime is 20003565420211. The next prime is 20003565420247. The reversal of 20003565420244 is 44202456530002.

20003565420244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003565420247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357206525334 + ... + 357206525389.

Almost surely, 2^{20003565420244} is an apocalyptic number.

It is an amenable number.

20003565420244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20003565420244 is a wasteful number, since it uses less digits than its factorization.

20003565420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714413050734 (or 714413050732 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 20003565420244 in words is "twenty trillion, three billion, five hundred sixty-five million, four hundred twenty thousand, two hundred forty-four".