20258563104080 has 80 divisors (see below), whose sum is σ = 55686099611520. Its totient is φ = 6706282953216.

The previous prime is 20258563104029. The next prime is 20258563104097. The reversal of 20258563104080 is 8040136585202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623707994 + ... + 623740473.

It is an arithmetic number, because the mean of its divisors is an integer number (696076245144).

Almost surely, 2^{20258563104080} is an apocalyptic number.

20258563104080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20258563104080 is an abundant number, since it is smaller than the sum of its proper divisors (35427536507440).

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

20258563104080 is a wasteful number, since it uses less digits than its factorization.

20258563104080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247448516 (or 1247448510 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

Adding to 20258563104080 its reverse (8040136585202), we get a palindrome (28298699689282).

The spelling of 20258563104080 in words is "twenty trillion, two hundred fifty-eight billion, five hundred sixty-three million, one hundred four thousand, eighty".