20554030144 has 28 divisors (see below), whose sum is σ = 40802068764. Its totient is φ = 10273193984.

The previous prime is 20554030141. The next prime is 20554030153. The reversal of 20554030144 is 44103045502.

It can be written as a sum of positive squares in 2 ways, for example, as 7765134400 + 12788895744 = 88120^2 + 113088^2 .

It is not an unprimeable number, because it can be changed into a prime (20554030141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117864 + ... + 234520.

Almost surely, 2^20554030144 is an apocalyptic number.

It is an amenable number.

20554030144 is a deficient number, since it is larger than the sum of its proper divisors (20248038620).

20554030144 is a wasteful number, since it uses less digits than its factorization.

20554030144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119422 (or 119412 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20554030144 its reverse (44103045502), we get a palindrome (64657075646).

The spelling of 20554030144 in words is "twenty billion, five hundred fifty-four million, thirty thousand, one hundred forty-four".