20354464400444 has 48 divisors (see below), whose sum is σ = 36121071752640. Its totient is φ = 10034811494400.

The previous prime is 20354464400429. The next prime is 20354464400477. The reversal of 20354464400444 is 44400446445302.

It is a junction number, because it is equal to n+sod(n) for n = 20354464400395 and 20354464400404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527749649 + ... + 527788215.

It is an arithmetic number, because the mean of its divisors is an integer number (752522328180).

Almost surely, 2^{20354464400444} is an apocalyptic number.

It is an amenable number.

20354464400444 is a deficient number, since it is larger than the sum of its proper divisors (15766607352196).

20354464400444 is a wasteful number, since it uses less digits than its factorization.

20354464400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42758 (or 42756 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 44.

The spelling of 20354464400444 in words is "twenty trillion, three hundred fifty-four billion, four hundred sixty-four million, four hundred thousand, four hundred forty-four".