20415656214444 has 24 divisors (see below), whose sum is σ = 48108179993328. Its totient is φ = 6737840334400.

The previous prime is 20415656214403. The next prime is 20415656214467. The reversal of 20415656214444 is 44441265651402.

It is a junction number, because it is equal to n+sod(n) for n = 20415656214393 and 20415656214402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8422299207 + ... + 8422301630.

It is an arithmetic number, because the mean of its divisors is an integer number (2004507499722).

Almost surely, 2^{20415656214444} is an apocalyptic number.

It is an amenable number.

20415656214444 is an abundant number, since it is smaller than the sum of its proper divisors (27692523778884).

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

20415656214444 is a wasteful number, since it uses less digits than its factorization.

20415656214444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16844600945 (or 16844600943 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 48.

The spelling of 20415656214444 in words is "twenty trillion, four hundred fifteen billion, six hundred fifty-six million, two hundred fourteen thousand, four hundred forty-four".