20548402130 has 16 divisors (see below), whose sum is σ = 37432753344. Its totient is φ = 8120332080.

The previous prime is 20548402079. The next prime is 20548402141. The reversal of 20548402130 is 3120484502.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20548402093 and 20548402102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12377726 + ... + 12379385.

It is an arithmetic number, because the mean of its divisors is an integer number (2339547084).

Almost surely, 2^20548402130 is an apocalyptic number.

20548402130 is a deficient number, since it is larger than the sum of its proper divisors (16884351214).

20548402130 is a wasteful number, since it uses less digits than its factorization.

20548402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757201.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 20548402130 its reverse (3120484502), we get a palindrome (23668886632).

The spelling of 20548402130 in words is "twenty billion, five hundred forty-eight million, four hundred two thousand, one hundred thirty".