20004477204288 has 56 divisors (see below), whose sum is σ = 53011084711680. Its totient is φ = 6657756282880.

The previous prime is 20004477204287. The next prime is 20004477204293. The reversal of 20004477204288 is 88240277440002.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004477204287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81148368 + ... + 81394511.

Almost surely, 2^{20004477204288} is an apocalyptic number.

It is an amenable number.

20004477204288 is an abundant number, since it is smaller than the sum of its proper divisors (33006607507392).

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

20004477204288 is a wasteful number, since it uses less digits than its factorization.

20004477204288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162543535 (or 162543525 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 48.

The spelling of 20004477204288 in words is "twenty trillion, four billion, four hundred seventy-seven million, two hundred four thousand, two hundred eighty-eight".