20488642642248 has 64 divisors (see below), whose sum is σ = 55878661105920. Its totient is φ = 6208619054400.

The previous prime is 20488642642219. The next prime is 20488642642289. The reversal of 20488642642248 is 84224624688402.

It is a junction number, because it is equal to n+sod(n) for n = 20488642642191 and 20488642642200.

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, 31982443 + ... + 32616773.

It is an arithmetic number, because the mean of its divisors is an integer number (873104079780).

Almost surely, 2^{20488642642248} is an apocalyptic number.

It is an amenable number.

20488642642248 is an abundant number, since it is smaller than the sum of its proper divisors (35390018463672).

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

20488642642248 is a wasteful number, since it uses less digits than its factorization.

20488642642248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756698 (or 756694 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 60.

The spelling of 20488642642248 in words is "twenty trillion, four hundred eighty-eight billion, six hundred forty-two million, six hundred forty-two thousand, two hundred forty-eight".