20448479196000 has 144 divisors (see below), whose sum is σ = 72571652794368. Its totient is φ = 5452927776000.

The previous prime is 20448479195993. The next prime is 20448479196011. The reversal of 20448479196000 is 69197484402.

20448479196000 is a `hidden beast` number, since 2 + 0 + 4 + 484 + 79 + 1 + 96 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283970656 + ... + 284042655.

It is an arithmetic number, because the mean of its divisors is an integer number (503969811072).

Almost surely, 2^{20448479196000} is an apocalyptic number.

20448479196000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20448479196000 is an abundant number, since it is smaller than the sum of its proper divisors (52123173598368).

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

20448479196000 is a wasteful number, since it uses less digits than its factorization.

20448479196000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568013342 (or 568013321 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 20448479196000 in words is "twenty trillion, four hundred forty-eight billion, four hundred seventy-nine million, one hundred ninety-six thousand".