20248988548 has 12 divisors (see below), whose sum is σ = 35673554700. Its totient is φ = 10056544352.

The previous prime is 20248988537. The next prime is 20248988563. The reversal of 20248988548 is 84588984202.

It can be written as a sum of positive squares in 2 ways, for example, as 6082752064 + 14166236484 = 77992^2 + 119022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20248988492 and 20248988501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16986811 + ... + 16988002.

It is an arithmetic number, because the mean of its divisors is an integer number (2972796225).

Almost surely, 2^20248988548 is an apocalyptic number.

It is an amenable number.

20248988548 is a deficient number, since it is larger than the sum of its proper divisors (15424566152).

20248988548 is a wasteful number, since it uses less digits than its factorization.

20248988548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33974966 (or 33974964 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 58.

The spelling of 20248988548 in words is "twenty billion, two hundred forty-eight million, nine hundred eighty-eight thousand, five hundred forty-eight".